chore(vscode): update to 1.53.2

These conflicts will be resolved in the following commits. We do it this way so
that PR review is possible.

lib/vscode/src/vs/workbench/common/composite.ts

@@ -18,6 +18,11 @@ export interface IComposite {
 	 */
 	readonly onDidBlur: Event<void>;
 
+	/**
+	 * Returns true if the composite has focus.
+	 */
+	hasFocus(): boolean;
+
 	/**
 	 * Returns the unique identifier of this composite.
 	 */