fix(linux): improve AppImage AppRun

[ReenigneArcher]

Description

Attempt to extract AppImage out of readonly file system.

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 6.10%. Comparing base (89e8b96) to head (74e95b8).
Report is 58 commits behind head on nightly.

Additional details and impacted files

@@           Coverage Diff            @@
##           nightly   #2300    +/-   ##
========================================
  Coverage     6.10%   6.10%            
========================================
  Files           85      85            
  Lines        18296   18296            
  Branches      8316    8316            
========================================
  Hits          1117    1117            
- Misses       15373   15682   +309     
+ Partials      1806    1497   -309     

Flag	Coverage Δ
Linux	4.12% <ø> (ø)
Windows	1.51% <ø> (ø)
macOS-12	8.11% <ø> (ø)
macOS-13	7.39% <ø> (-0.02%)	⬇️
macOS-14	7.72% <ø> (ø)

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see 22 files with indirect coverage changes