Derive initial expanded state for newly mounted thread

Mamaduka · Mamaduka · commit a080c0d92058 · 2025-10-07T16:52:00.000+04:00
diff --git a/packages/editor/src/components/collab-sidebar/comments.js b/packages/editor/src/components/collab-sidebar/comments.js
@@ -107,7 +107,7 @@ function Thread( {
 	setShowCommentBoard,
 	commentSidebarRef,
 } ) {
-	const [ isExpanded, setExpanded ] = useState( false );
+	const [ isExpanded, setExpanded ] = useState( isSelected );
 	const { toggleBlockHighlight, selectBlock } =
 		useDispatch( blockEditorStore );
 	const relatedBlockElement = useBlockElement( thread.blockClientId );
@@ -393,6 +393,11 @@ const CommentBoard = ( { thread, onEdit, onDelete, status } ) => {
 				/>
 				<FlexItem
 					className="editor-collab-sidebar-panel__comment-status"
+					onMouseDown={ ( event ) => {
+						// Prevent the thread from being selected.
+						event.preventDefault();
+						// event.stopPropagation();
+					} }
 					onClick={ ( event ) => {
 						// Prevent the thread from being selected.
 						event.stopPropagation();
