fix(linux): replace deprecated app_indicator_set_icon call

[ReenigneArcher]

Description

app_indicator_set_icon is deprecated, use app_indicator_set_icon_full instead.

Screenshot

Issues Fixed or Closed

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch
must be updated before it can be merged. You must also
Allow edits from maintainers.

• I want maintainers to keep my branch updated

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.78%. Comparing base (98af2bf) to head (3f4ecd7).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #17   +/-   ##
=======================================
  Coverage   66.78%   66.78%           
=======================================
  Files           3        3           
  Lines         292      292           
  Branches       58       58           
=======================================
  Hits          195      195           
  Misses         61       61           
  Partials       36       36           

Flag	Coverage Δ
Linux	63.75% <100.00%> (ø)
Windows	63.47% <ø> (ø)
libappindicator3-dev	63.75% <100.00%> (ø)
libayatana-appindicator3-dev	63.75% <100.00%> (ø)
macOS	84.44% <ø> (ø)

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

Files	Coverage Δ
src/tray_linux.c	63.75% <100.00%> (ø)