Let chat view be wider (microsoft#185402)

Author: roblourens

src/vs/workbench/contrib/chat/browser/chatWidget.ts

@@ -430,7 +430,7 @@ export class ChatWidget extends Disposable implements IChatWidget {
 	}
 
 	layout(height: number, width: number): void {
-		width = Math.min(width, 600);
+		width = Math.min(width, 850);
 		this.bodyDimension = new dom.Dimension(width, height);
 
 		const inputPartHeight = this.inputPart.layout(height, width);

src/vs/workbench/contrib/chat/browser/media/chat.css

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 .interactive-session {
-	max-width: 600px;
+	max-width: 850px;
 	margin: auto;
 }