Trim the search query

Trim the search query to stop duplicate terms in the results when someone adds a space on the end

src/Actions.php

@@ -94,7 +94,7 @@ public function maybe_register_assets() {
 			$data   = wp_json_encode(
 				[
 					'props' => [
-						'search_query' => get_search_query(),
+						'search_query' => trim(get_search_query()),
 						'result_count' => $wp_query->found_posts,
 					],
 				]