Issue #3276398 by pooja_sharma, dydave: Refactoring of field autocomplete widget and code clean-up. (!67) · Merge requests · project / block_class

Fixed autocomplete widget:

Refactored autocomplete callbacks based on \Drupal\block\Controller\CategoryAutocompleteController::autocomplete().
Removed example images from the code base and replaced with URLs on Drupal.org.
Removed unused services dependencies for service class BlockClassHelperService.
Updated help texts of Block configuration form.

Based on MR !21 (closed) and the work from @pooja_sharma.

Issue #3276398 by pooja_sharma, dydave: Refactoring of field autocomplete widget and code clean-up.