Clarify explanation of how 'Convert to Links' works in Page List block (

#45394)

* Clarify explanation of how 'Convert to Links' works

* Remove splitting of translated string

* Update string to use createInterpolateElement to ensure proper translation

* Simplify and clarify language in Page List edit modal

* Remove tip from modal copy

packages/block-library/src/page-list/convert-to-links-modal.js

@@ -91,18 +91,13 @@ export default function ConvertToLinksModal( { onClose, clientId } ) {
 		<Modal
 			closeLabel={ __( 'Close' ) }
 			onRequestClose={ onClose }
-			title={ __( 'Convert to links' ) }
+			title={ __( 'Customize this menu' ) }
 			className={ 'wp-block-page-list-modal' }
 			aria={ { describedby: 'wp-block-page-list-modal__description' } }
 		>
 			<p id={ 'wp-block-page-list-modal__description' }>
 				{ __(
-					'To edit this navigation menu, convert it to single page links. This allows you to add, re-order, remove items, or edit their labels.'
-				) }
-			</p>
-			<p>
-				{ __(
-					"Note: if you add new pages to your site, you'll need to add them to your navigation menu."
+					'This menu is automatically kept in sync with pages on your site. You can manage the menu yourself by clicking customize below.'
 				) }
 			</p>
 			<div className="wp-block-page-list-modal-buttons">
@@ -119,7 +114,7 @@ export default function ConvertToLinksModal( { onClose, clientId } ) {
 						createBlock: create,
 					} ) }
 				>
-					{ __( 'Convert' ) }
+					{ __( 'Customize' ) }
 				</Button>
 			</div>
 		</Modal>