Block Canvas: Add no results content to search template (#6860)

Block Canvas: Add no results content to search template

block-canvas/patterns/hidden-no-results-content.php

@@ -0,0 +1,10 @@
+<?php
+/**
+ * Title: Hidden No Results Content
+ * Slug: block-canvas/hidden-no-results-content
+ * Inserter: no
+ */
+?>
+<!-- wp:paragraph -->
+<p><?php echo esc_html_x( 'Sorry, but nothing matched your search terms. Please try again with some different keywords.', 'Message explaining that there are no results returned from a search', 'block-canvas' ); ?></p>
+<!-- /wp:paragraph -->

block-canvas/templates/search.html

@@ -10,7 +10,7 @@
 </div>
 <!-- /wp:group -->
 
-<!-- wp:query {"layout":{"type":"constrained"}} -->
+<!-- wp:query {"tagName":"main","layout":{"type":"constrained"}} -->
 <main class="wp-block-query">
 	<!-- wp:post-template -->
 		<!-- wp:group -->
@@ -36,7 +36,11 @@
 		<!-- /wp:query-pagination -->
 	</div>
 	<!-- /wp:group -->
+
+	<!-- wp:query-no-results -->
+		<!-- wp:pattern {"slug":"block-canvas/hidden-no-results-content"} /-->
+	<!-- /wp:query-no-results -->
 </main>
 <!-- /wp:query -->
 
-<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->
+<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->