Forwarded set_exception_handler in Application.run to the run_async call.

Author: Chris3606

prompt_toolkit/application/application.py

@@ -807,7 +807,7 @@ def run(
  loop = new_event_loop()
  set_event_loop(loop)
 
- return loop.run_until_complete(self.run_async(pre_run=pre_run))
+ return loop.run_until_complete(self.run_async(pre_run=pre_run, set_exception_handler=set_exception_handler))
 
  def _handle_exception(self, loop, context: Dict[str, Any]) -> None:
  """