Merge from vscode 892353d48e17303de203bb5071f21ea69573367d

src/vs/workbench/browser/actions/developerActions.ts

@@ -324,8 +324,6 @@ configurationRegistry.registerConfiguration({
 			type: 'string',
 			format: 'color-hex',
 			default: '#FF0000',
-			minLength: 4,
-			maxLength: 9,
 			description: nls.localize('screencastMode.mouseIndicatorColor', "Controls the color in hex (#RGB, #RGBA, #RRGGBB or #RRGGBBAA) of the mouse indicator in screencast mode.")
 		},
 		'screencastMode.mouseIndicatorSize': {

src/vs/workbench/browser/parts/compositePart.ts

@@ -106,6 +106,11 @@ export abstract class CompositePart<T extends Composite> extends Part {
 			return this.activeComposite;
 		}
 
+		// We cannot open the composite if we have not been created yet
+		if (!this.element) {
+			return undefined; // {{SQL CARBON EDIT}} strict-null-checks
+		}
+
 		// Open
 		return this.doOpenComposite(id, focus);
 	}