Crashes on launch

Installed from the COSMIC store.

Version 1.143.46

```
[ 4829.804771] bluemail[11498]: segfault at 1010129 ip 00005c2d588cb7e4 sp 00007ffc989e9710 error 4 in bluemail[6e597e4,5c2d53964000+7850000] likely on CPU 3 (core 4, socket 0)
[ 4829.804784] Code: 8b 87 08 01 00 00 48 85 c0 48 0f 44 c7 49 89 c4 48 8b 40 28 48 85 c0 75 f4 49 8b 86 08 01 00 00 48 85 c0 49 0f 44 c6 48 89 c1 <48> 8b 40 28 48 85 c0 75 f4 49 39 cc 0f 85 d1 00 00 00 4d 39 ec 74
```

```
➜ uname -a && cat /etc/os-release
Linux luna 7.0.11-76070011-generic #202606011647~1784215097~24.04~4974880 SMP PREEMPT_DYNAMIC Thu J x86_64 x86_64 x86_64 GNU/Linux
NAME="Pop!_OS"
VERSION="24.04 LTS"
ID=pop
ID_LIKE="ubuntu debian"
PRETTY_NAME="Pop!_OS 24.04 LTS"
VERSION_ID="24.04"
HOME_URL="https://pop.system76.com"
SUPPORT_URL="https://support.system76.com"
BUG_REPORT_URL="https://github.com/pop-os/pop/issues"
PRIVACY_POLICY_URL="https://system76.com/privacy"
VERSION_CODENAME=noble
UBUNTU_CODENAME=noble
LOGO=distributor-logo-pop-os
```

Reproduce the launch failure from the COSMIC store using BlueMail 1.143.46 on Pop!_OS 24.04, then inspect the supplied segfault output and system details. Narrow down the startup condition that causes the crash and confirm that the application launches without the reported failure.

Written by the indexing model from the issue text.