fix(linux): migrate to qt tray

[ReenigneArcher]

Description

Migrate to qt5/6 for Linux tray.

Screenshot

Issues Fixed or Closed

Roadmap Issues

Type of Change

• feat: New feature (non-breaking change which adds functionality)
• fix: Bug fix (non-breaking change which fixes an issue)
• docs: Documentation only changes
• style: Changes that do not affect the meaning of the code (white-space, formatting, missing semicolons, etc.)
• refactor: Code change that neither fixes a bug nor adds a feature
• perf: Code change that improves performance
• test: Adding missing tests or correcting existing tests
• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Other changes that don't modify src or test files
• revert: Reverts a previous commit
• BREAKING CHANGE: Introduces a breaking change (can be combined with any type above)

Checklist

• Code follows the style guidelines of this project
• Code has been self-reviewed
• Code has been commented, particularly in hard-to-understand areas
• Code docstring/documentation-blocks for new or existing methods/components have been added or updated
• Unit tests have been added or updated for any new or modified functionality

AI Usage

• None: No AI tools were used in creating this PR
• Light: AI provided minor assistance (formatting, simple suggestions)
• Moderate: AI helped with code generation or debugging specific parts
• Heavy: AI generated most or all of the code changes

[codecov]

Codecov Report

❌ Patch coverage is 73.72263% with 36 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.40%. Comparing base (98a0a39) to head (aff9e33).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/tray_linux.cpp	73.72%	13 Missing and 23 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #104      +/-   ##
==========================================
+ Coverage   73.06%   74.40%   +1.33%     
==========================================
  Files           4        4              
  Lines         427      422       -5     
  Branches       83      111      +28     
==========================================
+ Hits          312      314       +2     
+ Misses         72       63       -9     
- Partials       43       45       +2     

Flag	Coverage Δ
Linux	63.12% <73.72%> (+3.12%)	⬆️
Windows	71.56% <ø> (ø)
libappindicator3-dev	?
libayatana-appindicator3-dev	?
macOS	64.42% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/example.c	0.00% <ø> (ø)
src/tray_linux.cpp	73.72% <73.72%> (ø)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Screenshot Comparison

PR #104 screenshots vs screenshots baseline.

Matrix: Linux

Image	Baseline	PR
tray_icon_initial.png
tray_icon_themed.png
tray_menu_checkbox_checked.png
tray_menu_checkbox_unchecked.png
tray_menu_shown.png
tray_notification_displayed.png
tray_notification_themed_icon.png

Matrix: Linux-libappindicator3-dev

Image	Baseline	PR
tray_icon_initial.png
tray_menu_checkbox_checked.png
tray_menu_checkbox_unchecked.png
tray_menu_shown.png
tray_notification_displayed.png

Matrix: Linux-libayatana-appindicator3-dev

Image	Baseline	PR
tray_icon_initial.png
tray_menu_checkbox_checked.png
tray_menu_checkbox_unchecked.png
tray_menu_shown.png
tray_notification_displayed.png

Matrix: Windows

Image	Baseline	PR
tray_icon_initial.png
tray_menu_checkbox_checked.png
tray_menu_checkbox_unchecked.png
tray_menu_shown.png
tray_notification_displayed.png

Matrix: macOS

Image	Baseline	PR
tray_icon_initial.png
tray_menu_checkbox_checked.png
tray_menu_checkbox_unchecked.png
tray_menu_shown.png
tray_notification_displayed.png