fix(flatpak): system tray permission

[haroldm]

Description

Add permissions to the flatpak definition so the sunshine icon tray can be created

Screenshot

Issues Fixed or Closed

Partial fix for #5276 (it doesn't fix the issues with the homebrew package).

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

[ReenigneArcher]

nitpic but this will make yamllint fail.

[codecov]

Bundle Report

Bundle size has no change ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 27.53%. Comparing base (86a2538) to head (fd9b266).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #5354    +/-   ##
========================================
  Coverage   27.53%   27.53%            
========================================
  Files         113      113            
  Lines       25593    25593            
  Branches    11237    11237            
========================================
  Hits         7048     7048            
- Misses      16448    17016   +568     
+ Partials     2097     1529   -568     

Flag	Coverage Δ
Archlinux	0.00% <ø> (ø)
FreeBSD-amd64	13.31% <ø> (ø)
Homebrew-macos-14	21.00% <ø> (-0.01%)	⬇️
Homebrew-macos-15	21.18% <ø> (ø)
Homebrew-macos-26	21.27% <ø> (ø)
Homebrew-ubuntu-24.04	13.06% <ø> (ø)
Linux-AppImage	12.39% <ø> (ø)
Windows-AMD64	15.26% <ø> (ø)
Windows-ARM64	13.29% <ø> (+<0.01%)	⬆️
macOS-arm64	19.25% <ø> (ø)
macOS-x86_64	18.72% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.
see 41 files with indirect coverage changes

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[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