Icons does not showen well in dark mode

### Jenkins and plugins versions report

Environment

Jenkins: 2.516.1
OS: Linux - 5.10.240-238.959.amzn2.x86_64
Java: 17.0.15 - Eclipse Adoptium (OpenJDK 64-Bit Server VM)
---
active-directory:2.40
analysis-model-api:13.8.0-902.v26f80296f743
ansicolor:1.0.6
antisamy-markup-formatter:173.v680e3a_b_69ff3
apache-httpcomponents-client-4-api:4.5.14-269.vfa_2321039a_83
apache-httpcomponents-client-5-api:5.5-157.vb_43ef2f6845e
asm-api:9.8-163.vb_2a_96d3f9c3c
authentication-tokens:1.144.v5ff4a_5ec5c33
authorize-project:2.0.0
aws-credentials:248.v78a_dcfc9db_ff
aws-java-sdk:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-api-gateway:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-autoscaling:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-cloudformation:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-cloudfront:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-cloudwatch:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-codebuild:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-codedeploy:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-ec2:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-ecr:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-ecs:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-efs:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-elasticbeanstalk:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-elasticloadbalancingv2:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-iam:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-kinesis:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-lambda:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-logs:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-minimal:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-organizations:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-secretsmanager:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-sns:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-sqs:1.12.780-480.v4a_0819121a_9e
aws-java-sdk-ssm:1.12.780-480.v4a_0819121a_9e
aws-java-sdk2-autoscaling:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-cloudformation:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-cloudwatch:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-cloudwatchlogs:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-core:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-ec2:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-ecr:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-efs:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-iam:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-lambda:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-logs:2.29.34-9.v117ff2a_65538
aws-java-sdk2-s3:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-secretsmanager:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-sns:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-sqs:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-ssm:2.31.63-54.vcf1e5a_c56c49
aws-java-sdk2-sts:2.29.34-8.v76857219b_b_92
aws-secrets-manager-credentials-provider:1.214.va_0a_d8268d068
aws-secrets-manager-secret-source:1.72.v61781b_35c542
badge:2.9.1
bootstrap5-api:5.3.7-860.v1251c115c90c
bouncycastle-api:2.30.1.81-264.v95c79c0e772c
branch-api:2.1244.vf95c81f1641c
build-symlink:1.1
build-timeout:1.38
build-token-root:151.va_e52fe3215fc
build-with-parameters:76.v9382db_f78962
caffeine-api:3.2.2-178.v353b_8428ed56
checks-api:373.vfe7645102093
cloudbees-bitbucket-branch-source:936.4.4
cloudbees-disk-usage-simple:241.v0ea_d9a_a_96ee8
cloudbees-folder:6.1037.v4cb_8573b_72a_a_
command-launcher:123.v37cfdc92ef67
commons-collections4-api:4.5.0-8.va_d5448ef9011
commons-compress-api:1.28.0-1
commons-lang3-api:3.18.0-98.v3a_674c06072d
commons-text-api:1.14.0-194.v804a_dc3a_1b_d8
config-file-provider:994.v3d4a_5fa_f353a_
configuration-as-code:1985.vdda_32d0c4ea_b_
copyartifact:770.va_6c69e063442
coverage:2.2901.v47e734811a_92
credentials:1419.v2337d1ceceef
credentials-binding:702.vfe613e537e88
cucumber-reports:5.9.0
custom-build-properties:3.99.vb_e083a_0e2385
custom-tools-plugin:0.8
customizable-header:222.v59c31852cf3a_
dark-theme:574.va_19f05d54df5
data-tables-api:2.3.2-1369.v417fcd327805
display-url-api:2.217.va_6b_de84cc74b_
docker-commons:457.v0f62a_94f11a_3
docker-workflow:621.va_73f881d9232
durable-task:595.ve87b_f1318d67
ec2-fleet:4.1.1.510.v0b_8363265374
echarts-api:6.0.0-1137.vfd5f348e1952
eddsa-api:0.3.0.1-19.vc432d923e5ee
email-ext:1925.v1598902b_58dd
emoji-symbols-api:16.0-26.v9818ff7423f0
extended-choice-parameter:388.ve7b_d0b_920e10
flatpickr-api:4.6.13-18.vcf5f6a_5b_8468
font-awesome-api:7.0.0-844.vb_f7825b_7f5da_
forensics-api:3.1745.vd1f0b_a_176458
git:5.7.0
git-client:6.3.1
git-forensics:3.2083.vd36f32376929
git-parameter:444.vca_b_84d3703c2
gitlab-api:5.6.0-100.v83f8f4b_f1129
gitlab-branch-source:723.v090f23d3cc49
groovy:497.v7b_061a_a_de65d
groovy-postbuild:272.v52a_03efb_8653
gson-api:2.13.1-153.vb_3d0c48a_a_b_4a_
handy-uri-templates-2-api:2.1.8-36.v85e4cb_234a_13
htmlpublisher:427
http_request:1.20
instance-identity:203.v15e81a_1b_7a_38
ionicons-api:94.vcc3065403257
jackson2-api:2.19.2-408.v18248a_324cfe
jakarta-activation-api:2.1.3-2
jakarta-mail-api:2.1.3-3
javax-activation-api:1.2.0-8
javax-mail-api:1.6.2-11
jaxb:2.3.9-133.vb_ec76a_73f706
jdk-tool:83.v417146707a_3d
jersey2-api:2.47-165.ve7809a_3e87e0
jira:3.18
job-dsl:1.93
joda-time-api:2.14.0-149.v1c3ce991d1b_9
jquery3-api:3.7.1-594.vb_3864f326cf0
json-api:20250517-163.v1c5da_e99c775
json-path-api:2.9.0-178.vca_b_c71881321
jsoup:1.21.1-58.vfc578e6e2610
junit:1335.v6b_a_a_e18534e1
mailer:522.va_995fa_cfb_8b_d
matrix-auth:3.2.8
matrix-project:856.v4c352b_3a_b_23e
metrics:4.2.33-484.v2fcd689980d1
mina-sshd-api-common:2.15.0-161.vb_200831a_c15b_
mina-sshd-api-core:2.15.0-161.vb_200831a_c15b_
monitoring:2.5.0
okhttp-api:4.11.0-189.v976fa_d3379d6
oss-symbols-api:392.v27a_482d90083
parameterized-scheduler:285.ve611986d4c48
pipeline-aws:1.45
pipeline-build-step:571.v08a_fffd4b_0ce
pipeline-graph-analysis:241.vc3d48fb_b_2582
pipeline-graph-view:628.va_6f6a_1d12848
pipeline-groovy-lib:752.vdddedf804e72
pipeline-input-step:534.v352f0a_e98918
pipeline-maven:1567.vb_2c3a_2116860
pipeline-maven-api:1567.vb_2c3a_2116860
pipeline-milestone-step:138.v78ca_76831a_43
pipeline-model-api:2.2265.v140e610fe9d5
pipeline-model-definition:2.2265.v140e610fe9d5
pipeline-model-extensions:2.2265.v140e610fe9d5
pipeline-rest-api:2.38
pipeline-stage-step:322.vecffa_99f371c
pipeline-stage-tags-metadata:2.2265.v140e610fe9d5
pipeline-stage-view:2.38
pipeline-utility-steps:2.19.0
plain-credentials:199.v9f8e1f741799
plugin-util-api:6.1157.vc75ef7129d86
prism-api:1.30.0-600.v0b_eeeb_e43a_f9
prometheus:819.v50953a_c560dd
rebuild:338.va_0a_b_50e29397
resource-disposer:0.25
role-strategy:799.v5b_e7b_ecc231e
saferestart:102.v4dc1b_9636a_ee
scm-api:707.v749f968369d4
script-security:1378.vf25626395f49
snakeyaml-api:2.3-125.v4d77857a_b_402
sonar:2.18
ssh-agent:386.v36cc0c7582f0
ssh-credentials:361.vb_f6760818e8c
ssh-slaves:3.1071.v0d059c7b_c555
sshd:3.374.v19b_d59ce6610
stashNotifier:1.516.v6d49910f22a_5
structs:353.v261ea_40a_80fb_
theme-manager:319.v9193461f9671
timestamper:1.30
token-macro:477.vd4f0dc3cb_cf1
trilead-api:2.209.v0e69b_c43c245
validating-string-parameter:255.v31e2e6d0d273
variant:70.va_d9f17f859e0
warnings-ng:12.9772.v77058c8ea_646
workflow-aggregator:608.v67378e9d3db_1
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workflow-cps:4183.v94b_6fd39da_c1
workflow-durable-task-step:1452.v0ee719c104a_7
workflow-job:1540.v295eccc9778f
workflow-multibranch:811.vcd33d074c2a_0
workflow-scm-step:437.v05a_f66b_e5ef8
workflow-step-api:706.v518c5dcb_24c0
workflow-support:976.vb_d9493c2eb_09
ws-cleanup:0.49
xvnc:1.28

The icons not really visible if dark mode enabled. There shown in black .

### What Operating System are you using (both controller, and any agents involved in the problem)?

both Linux

### Reproduction steps

Add GitLab project to Jenkins and switch to dark mode.

### Expected Results

Plugins icons should be visible.

### Actual Results

Icons are shown in black which is hard to see in dark mode,

### Anything else?

_No response_

### Are you interested in contributing a fix?

_No response_