gh-98703: Fix asyncio proactor_events calling _call_connection_lost multiple times (GH-98704)

Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
(cherry picked from commit 8a75542)

Co-authored-by: Ken Jin <kenjin@python.org>

Author: miss-islington

Lib/asyncio/proactor_events.py

@@ -152,6 +152,8 @@ def _force_close(self, exc):
         self._loop.call_soon(self._call_connection_lost, exc)
 
     def _call_connection_lost(self, exc):
+        if self._called_connection_lost:
+            return
         try:
             self._protocol.connection_lost(exc)
         finally:

Misc/NEWS.d/next/Library/2022-10-26-07-51-55.gh-issue-98703.0hW773.rst

@@ -0,0 +1,2 @@
+Fix :meth:`asyncio.StreamWriter.drain` to call ``protocol.connection_lost``
+callback only once on Windows.