Fix for API key validation

[raivisdejus]

Fix for #800

[codecov]

Codecov Report

Attention: Patch coverage is 7.69231% with 12 lines in your changes missing coverage. Please review.

Project coverage is 83.55%. Comparing base (fe1a1e5) to head (5d3f114).

Files	Patch %	Lines
...s/preferences_dialog/general_preferences_widget.py	7.69%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #802      +/-   ##
==========================================
- Coverage   83.76%   83.55%   -0.21%     
==========================================
  Files          85       85              
  Lines        4366     4378      +12     
==========================================
+ Hits         3657     3658       +1     
- Misses        709      720      +11     

Flag	Coverage Δ
Linux	82.80% <7.69%> (-0.21%)	⬇️
macOS	82.93% <7.69%> (-0.21%)	⬇️

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