debug: workaround for stale variables response when setting variable value

src/vs/workbench/parts/debug/electron-browser/debugViewer.ts

@@ -136,7 +136,7 @@ function renderRenameBox(debugService: debug.IDebugService, contextViewService:
 				if (renamed && element.value !== inputBox.value) {
 					element.setVariable(inputBox.value)
 						// if everything went fine we need to refresh ui elements since the variable update can change watch and variables view
-						.done(() => debugService.focusStackFrameAndEvaluate(debugService.getViewModel().focusedStackFrame), errors.onUnexpectedError);
+						.done(() => tree.refresh(element, false), errors.onUnexpectedError);
 				}
 			}