Changes to List Pages

added the new optional query request parameter per_page

for the path request parameter workspace_id, the type was generalized from integer to string

added the non-success response with the status 422

added the optional property hint to the response with the 401 status

added the optional property hint to the response with the 404 status

added the optional property items/block_ai_assistant to the response with the 200 status

added the optional property items/block_ai_crawler to the response with the 200 status

added the optional property items/block_ai_search to the response with the 200 status

added the optional property items/custom_html_page to the response with the 200 status

added the optional property items/show_page_step/products/items/bump to the response with the 200 status

added the optional property items/show_page_step/products/items/bump_preheadline to the response with the 200 status