Don't trigger fetch:apiError if request is aborted

[burhandodhy]

Description of the Change

This PR fixes an issue where the plugin displays the error message when the new filter is applied before the previous ajax is completed. 

Closes #355

How to test the Change

1. Go to the video page.
2. Apply the filters in such a way that you apply the second filter before the ajax request for the first filter is completed.
3. Unselect all the filters.

Changelog Entry

Fixed - Display error message when the previous request is aborted

Credits

Props @burhandodhy

Checklist:

• I agree to follow this project's Code of Conduct.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests pass.