make parse_menu_playlists more error proof

[sigma67]

closes #587

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 95.16%. Comparing base (0cf0883) to head (24e6f24).

Files	Patch %	Lines
ytmusicapi/parsers/_utils.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #590      +/-   ##
==========================================
+ Coverage   95.11%   95.16%   +0.05%     
==========================================
  Files          36       36              
  Lines        2190     2193       +3     
==========================================
+ Hits         2083     2087       +4     
+ Misses        107      106       -1     

Flag	Coverage Δ
unittests	95.16% <75.00%> (+0.05%)	⬆️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.