Fix Nav Submenu block Link UI text control (#46243)

* Add hasTextControl to submenu LinkControl

* Clean up unnecessary prop={ true } in submenu LinkControl

* Add JSDoc for hasTextConrtol prop to LinkControl

* Fix missing label in dropdown

* Use stripHTML for the title/label

packages/block-editor/src/components/link-control/index.js

@@ -93,6 +93,7 @@ import { DEFAULT_LINK_SETTINGS } from './constants';
  * @property {boolean=}                   withCreateSuggestion       Whether to allow creation of link value from suggestion.
  * @property {Object=}                    suggestionsQuery           Query parameters to pass along to wp.blockEditor.__experimentalFetchLinkSuggestions.
  * @property {boolean=}                   noURLSuggestion            Whether to add a fallback suggestion which treats the search query as a URL.
+ * @property {boolean=}                   hasTextControl             Whether to add a text field to the UI to update the value.title.
  * @property {string|Function|undefined}  createSuggestionButtonText The text to use in the button that calls createSuggestion.
  * @property {Function}                   renderControlBottom        Optional controls to be rendered at the bottom of the component.
  */

packages/block-library/src/navigation-submenu/edit.js

@@ -37,7 +37,10 @@ import {
 	useRef,
 	createInterpolateElement,
 } from '@wordpress/element';
-import { placeCaretAtHorizontalEdge } from '@wordpress/dom';
+import {
+	placeCaretAtHorizontalEdge,
+	__unstableStripHTML as stripHTML,
+} from '@wordpress/dom';
 import { link as linkIcon, removeSubmenu } from '@wordpress/icons';
 import {
 	useResourcePermissions,
@@ -284,6 +287,7 @@ export default function NavigationSubmenuEdit( {
 	const { label, type, opensInNewTab, url, description, rel, title, kind } =
 		attributes;
 	const link = {
+		title: label && stripHTML( label ),
 		url,
 		opensInNewTab,
 	};
@@ -665,7 +669,8 @@ export default function NavigationSubmenuEdit( {
 							<LinkControl
 								className="wp-block-navigation-link__inline-link-input"
 								value={ link }
-								showInitialSuggestions={ true }
+								hasTextControl
+								showInitialSuggestions
 								withCreateSuggestion={ userCanCreate }
 								createSuggestion={ handleCreate }
 								createSuggestionButtonText={ ( searchTerm ) => {