Dont re-render when focused element doesnt change. Fixes #48619

src/vs/editor/contrib/suggest/suggestWidget.ts

@@ -638,7 +638,7 @@ export class SuggestWidget implements IContentWidget, IDelegate<ICompletionItem>
 				this.show();
 				break;
 			case State.Open:
-				hide(this.messageElement, this.details.element);
+				hide(this.messageElement);
 				show(this.listElement);
 				this.show();
 				break;
@@ -677,7 +677,10 @@ export class SuggestWidget implements IContentWidget, IDelegate<ICompletionItem>
 			this.loadingTimeout = null;
 		}
 
-		this.completionModel = completionModel;
+		if (this.completionModel !== completionModel) {
+			this.completionModel = completionModel;
+			this.focusedItem = null;
+		}
 
 		if (isFrozen && this.state !== State.Empty && this.state !== State.Hidden) {
 			this.setState(State.Frozen);
@@ -712,7 +715,6 @@ export class SuggestWidget implements IContentWidget, IDelegate<ICompletionItem>
 			*/
 			this.telemetryService.publicLog('suggestWidget', { ...stats, ...this.editor.getTelemetryData() });
 
-			this.focusedItem = null;
 			this.list.splice(0, this.list.length, this.completionModel.items);
 
 			if (isFrozen) {