We don't need to check the parent session is connected, we'll only find anything if there's a connected session

Author: puremourning

python3/vimspector/debug_session.py

@@ -999,7 +999,6 @@ def OnDisassemblyWindowScrolled( self, win_id ):
 
 
   @ParentOnly()
-  @IfConnected()
   def AddDataBreakpoint( self, opts, buf = None, line_num = None ):
     # Use the parent session, because the _connection_ comes from the
     # variable/watch result that is actually chosen