core, ui: create dummy member record when admin forwards a message from an unknown member (#3651)

* core: create dummy member record when admin forwards a message from an unknown member

* comments

* update unknown member if announced

* change removed

* change unknown name, revert diff

* revert diff

* ios

* update ios library

* android

* remove changes in iOS project file

* rename event

* remove unknown category

* android

---------

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

src/Simplex/Chat/View.hs

@@ -178,6 +178,8 @@ responseToView hu@(currentRH, user_) ChatConfig {logLevel, showReactions, showRe
   CRGroupLinkConnecting u g _ -> ttyUser u [ttyGroup' g <> ": joining the group..."]
   CRUserDeletedMember u g m -> ttyUser u [ttyGroup' g <> ": you removed " <> ttyMember m <> " from the group"]
   CRLeftMemberUser u g -> ttyUser u $ [ttyGroup' g <> ": you left the group"] <> groupPreserved g
+  CRUnknownMemberCreated u g fwdM um -> ttyUser u [ttyGroup' g <> ": " <> ttyMember fwdM <> " forwarded a message from an unknown member, creating unknown member record " <> ttyMember um]
+  CRUnknownMemberAnnounced u g _ um m -> ttyUser u [ttyGroup' g <> ": unknown member " <> ttyMember um <> " updated to " <> ttyMember m]
   CRGroupDeletedUser u g -> ttyUser u [ttyGroup' g <> ": you deleted the group"]
   CRRcvFileDescrReady _ _ -> []
   CRRcvFileDescrNotReady _ _ -> []
@@ -963,6 +965,7 @@ viewGroupMembers (Group GroupInfo {membership} members) = map groupMember . filt
     status m = case memberStatus m of
       GSMemRemoved -> ["removed"]
       GSMemLeft -> ["left"]
+      GSMemUnknown -> ["status unknown"]
       GSMemInvited -> ["not yet joined"]
       GSMemConnected -> ["connected"]
       GSMemComplete -> ["connected"]