message: fix: Always trigger default browser onerror handler
diff: @@ -92,7 +92,7 @@ export class GlobalHandlers implements Integration {
  if (self._oldOnErrorHandler) {
  return self._oldOnErrorHandler.apply(this, arguments);
  }
  - return true;
  + return false;
  }
  const client = currentHub.getClient();
  @@ -121,7 +121,7 @@ export class GlobalHandlers implements Integration {
  return self._oldOnErrorHandler.apply(this, arguments);
  }
  - return true;
  + return false;
  };
  this._onErrorHandlerInstalled = true;
  