Add a large limit for pattern results

Later we might want to remove this or set it to something smaller, but for now we want to pre-load the set of ~15 core patterns.

lib/class-wp-rest-pattern-directory-controller.php

@@ -84,7 +84,7 @@ public function get_items_permissions_check( $request ) { // phpcs:ignore Variab
 	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
 	 */
 	public function get_items( $request ) {
-		$query_args  = array();
+		$query_args  = array( 'per_page' => 100 );
 		$category_id = $request['category'];
 		$keyword_id  = $request['keyword'];
 		$search_term = $request['search'];