Issue #3411844: Create paragraphs sets with a meaningful machine name instead of timestamp
requested to merge issue/paragraphs_sets_plugins_ui-3411844:3411844-create-paragraphs-sets into 1.0.x
Generate a human-friendly machine name for the created paragraphs sets based on \Drupal\Core\Block\BlockBase::getMachineNameSuggestion(). Ensure there are no duplications.