Focus on welcome message container for experimental view after rendering (#255888)

Find the correct chat widget before setting input on click (#255877)

* Find the correct chat widget before setting input on click

* fix: update chat widget input handling to focus on the correct widget

Author: bhavyaus

src/vs/workbench/contrib/chat/browser/viewsWelcome/chatViewWelcomeController.ts

@@ -203,8 +203,14 @@ export class ChatViewWelcomePart extends Disposable {
 								suggestedPrompt: prompt.prompt,
 							});
 
-							this.chatWidgetService.lastFocusedWidget?.focusInput();
-							this.chatWidgetService.lastFocusedWidget?.setInput(prompt.prompt);
+							if (!this.chatWidgetService.lastFocusedWidget) {
+								const widgets = this.chatWidgetService.getWidgetsByLocations(ChatAgentLocation.Panel);
+								if (widgets.length) {
+									widgets[0].setInput(prompt.prompt);
+								}
+							} else {
+								this.chatWidgetService.lastFocusedWidget.setInput(prompt.prompt);
+							}
 						}));
 					}
 				}