Fix Bandcamp plugin search aborting after the first page

[sferra]

The Bandcamp plugin aborts the search after the first page of results because of an incorrect check.
I found this bug while writing tests for an improvement/issue in the Bandcamp plugin and thought that it's better to submit it separately.

[nukeop]

Thanks, this must have changed since it was last implemented.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (52827b6) 71.40% compared to head (b398982) 71.58%.

❗ Current head b398982 differs from pull request most recent head b8e60f3. Consider uploading reports for the commit b8e60f3 to get more accurate results

Files	Patch %	Lines
packages/core/src/plugins/stream/BandcampPlugin.ts	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1548      +/-   ##
==========================================
+ Coverage   71.40%   71.58%   +0.17%     
==========================================
  Files         364      364              
  Lines        6707     6707              
  Branches      479      479              
==========================================
+ Hits         4789     4801      +12     
+ Misses       1524     1512      -12     
  Partials      394      394              

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[sferra]

You're welcome. Please let me know if I have to adapt the tests, because I intend to submit an additional fix and extend them to cover 2 new internal functions.

[nukeop]

This test format looks good to me and is consistent with the rest of the codebase.