Regression 224254 mouse gone in light theme

Type: Bug

- VS Code Version: Latest installed yesterday - stock install
Steps to Reproduce:

1. Switch to light theme
2. Mouse gone in editor

like https://github.com/microsoft/vscode/issues/224254

VS Code version: Code 1.131.0 (e4c7e7b1d6d060162f4aa7f8225271b67ce1df75, 2026-07-28T10:51:25Z)
OS version: Windows_NT x64 10.0.26200
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|AMD Ryzen 7 7800X3D 8-Core Processor (16 x 4192)|
|GPU Status|2d_canvas: enabled
GPU0: VENDOR= 0x1002, DEVICE=0x744c [AMD Radeon RX 7900 XT], DRIVER_VENDOR=AMD, DRIVER_VERSION=32.0.31021.5001 *ACTIVE*
GPU1: VENDOR= 0x1002, DEVICE=0x744c [AMD Radeon RX 7900 XT], DRIVER_VERSION=32.0.31021.5001
GPU2: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.8875
Machine model name:
Machine model version:
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgpu: enabled
webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|31.58GB (20.24GB free)|
|Process Argv|eclipse-peon-ai --crash-reporter-id 79500712-2577-4e91-8a7e-9a429f6b8ae8|
|Screen Reader|no|
|VM|0%|
Extensions: none
A/B Experiments

```
vsliv368cf:30146710
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
envsactivate1:31551504
cloudbuttont:31379625
3efgi100_wstrepl:31403338
ec5jj548:31422691
cp_cls_t_966_ss:31526232
4je02754:31466945
c3h7c220:31478652
cp_cls_c_1081:31454833
conptydll_true:31498968
e9c30283:31461165
test_control1:31471004
46204921:31447328
idci7584:31464702
e3e4d672:31494082
ei9d7968:31496641
chat:31457767
7e187181:31503455
ghj88844:31499326
ddid_t:31478206
hmra_i5g22:31518061
7df3h592:31512476
cp_cls_t_1082:31535311
logging_enabled_new:31498466
j0d79568:31499440
jb_cp_cls_t_632:31543129
56dj4588:31512888
32d76977:31512328
ha629193:31508444
cdk-lw-on:31524445
f9bf7985:31543584
a1ije391_t:31540920
41836166:31537719
jbcp_cls_pctr_t:31531130
61138546:31518536
cp_intellij_t_nes:31548657
jf4hg949:31526829
ahp-both-windows:31556933
h561g132:31533256
session_8:31532895
hjji5903:31534458
f412h606:31551416
7g2b5551:31542111
enable_editor_pane_layout:31554332
allow-none:31555437
6i51c363:31551401
c7c27ce7:31554789
8hc4g144:31558143
0dg73464:31554319
treatment-23-1:31555779
unuse_dynamic_mcp:31555281
session-archive:31558132

```