fix: local changes do not updated after submodule changed (#339)

Author: love-linger

src/Models/Watcher.cs

@@ -220,7 +220,7 @@ private void OnWorkingCopyChanged(object o, FileSystemEventArgs e)
                     if (name.StartsWith(submodule, StringComparison.Ordinal))
                     {
                         _updateSubmodules = DateTime.Now.AddSeconds(1).ToFileTime();
-                        return;
+                        break;
                     }
                 }
             }