feat: upgrade to Fyne 2.7

[ErikKalkoken]

Upgrade to Fyne 2.7

• Can now show hidden window by left clicking on the systray icon
• Use RowWrap layout in Fyne instead of fyne-kx
• Improved render performance

Also upgrades other dependencies

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 38.8%. Comparing base (6959a04) to head (a350715).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/app/ui/desktopui.go	0.0%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main    #301     +/-   ##
=======================================
- Coverage   38.8%   38.8%   -0.1%     
=======================================
  Files        223     223             
  Lines      38572   38573      +1     
=======================================
  Hits       15002   15002             
- Misses     21672   21673      +1     
  Partials    1898    1898             

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