core: fix forwarding for connection deleting events (x.grp.mem.del, x.grp.del) (#6189)

* core: fix forwarding for connection deleting events (x.grp.mem.del, x.grp.del)

* more tests

* docs, mute tests

* plans

* rework wip

* improve tests

* revert plans

* only forward original message

* update simplexmq (err context)

* update

* don't always wait delivery

* don't do unnecessary ack

* docs

* Revert "don't do unnecessary ack"

This reverts commit 1a560b0333.

* ack

* update simplexmq

src/Simplex/Chat/Protocol.hs

@@ -385,9 +385,9 @@ isForwardedGroupMsg ev = case ev of
   XGrpMemNew {} -> True
   XGrpMemRole {} -> True
   XGrpMemRestrict {} -> True
-  XGrpMemDel {} -> True -- TODO there should be a special logic when deleting host member (e.g., host forwards it before deleting connections)
+  XGrpMemDel {} -> True
   XGrpLeave -> True
-  XGrpDel -> True -- TODO there should be a special logic - host should forward before deleting connections
+  XGrpDel -> True
   XGrpInfo _ -> True
   XGrpPrefs _ -> True
   _ -> False