Navigate back to pages list rather than closing. (#36513)

* Navigate back to pages list rather than closing.

* address feedback

apps/full-site-editing/full-site-editing-plugin/starter-page-templates/page-template-modal/index.js

@@ -137,8 +137,12 @@ class PageTemplateModal extends Component {
 		if ( event.target.matches( 'button.template-selector-item__label' ) ) {
 			return false;
 		}
-		this.setState( { isOpen: false } );
+
 		trackDismiss( this.props.segment.id, this.props.vertical.id );
+
+		// Try if we have specific URL to go back to, otherwise go to the page list.
+		const calypsoifyCloseUrl = get( window, [ 'calypsoifyGutenberg', 'closeUrl' ] );
+		window.top.location = calypsoifyCloseUrl || 'edit.php?post_type=page';
 	};
 
 	getBlocksByTemplateSlug( slug ) {
@@ -165,6 +169,8 @@ class PageTemplateModal extends Component {
 				className="page-template-modal"
 				overlayClassName="page-template-modal-screen-overlay"
 				shouldCloseOnClickOutside={ false }
+				// Using both variants here to be compatible with new Gutenberg and old (older than 6.6).
+				isDismissable={ false }
 				isDismissible={ false }
 			>
 				<IconButton