fix(collections): use library language in tmdb query

[ReenigneArcher]

Description

Screenshot

Issues Fixed or Closed

• Fixes Chinese collections cannot fetch theme songs. #389

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

Attention: Patch coverage is 50.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 71.48%. Comparing base (f1a3948) to head (f290ff4).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #395      +/-   ##
==========================================
- Coverage   71.52%   71.48%   -0.04%     
==========================================
  Files          12       12              
  Lines        1085     1087       +2     
==========================================
+ Hits          776      777       +1     
- Misses        309      310       +1     

Flag	Coverage Δ
Linux	71.48% <50.00%> (-0.04%)	⬇️
Windows	71.48% <50.00%> (-0.04%)	⬇️
macOS	71.48% <50.00%> (-0.04%)	⬇️

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

Files	Coverage Δ
Contents/Code/tmdb_helper.py	82.97% <100.00%> (+0.37%)	⬆️
Contents/Code/plex_api_helper.py	53.33% <0.00%> (-0.17%)	⬇️

[ReenigneArcher]

@x1ao4 Could you give this PR another test?

[x1ao4]

It worked, I got the collection theme songs with Chinese titles, well done!

[ReenigneArcher]

@x1ao4 Great, thank you for testing! Next issue is getting the settings page localized.