message: Fix the jump list
  Fix for not only started setting # register but also added
  additional call to file jump handling that broke the jump list. So,
  still set # register if activeTextEditor is undefined, but skip the
  extra task.
  Fixes
diff: @@ -244,6 +244,9 @@ export async function activate(context: vscode.ExtensionContext, handleLocal: bo
  Register.setReadonlyRegister('%', relativePath);
  }
  + if (activeTextEditor === undefined) {
  + return;
  + }
  taskQueue.enqueueTask(async () => {
  const mh = await getAndUpdateModeHandler(true);
  if (mh) {
  