Allow for group member to join group in rotation if they already have…

… an updated version of the KEL with a valid event that adds them as a member. (#562)

src/keri/app/cli/commands/multisig/join.py

@@ -225,12 +225,6 @@ def rotate(self, attrs):
         serder = coring.Serder(ked=ked)
         seqner = coring.Seqner(sn=serder.sn)
 
-        if serder.sner.num <= kever.sner.num:
-            print(f"Discarding stale rotation event for AID {gid} to sequence number {serder.sner.num}")
-            return True  # return True here so event is deleted, we will never process this event
-        elif serder.sner.num != kever.sner.num + 1:
-            print(f"Unable to joid {gid}, current KEL out of date")
-
         if gid not in self.hby.habs:
             print(f"\nRequest to add local AID '{mhab.name}' to multisig AID {gid} in rotation to {serder.sner.num}:")
             self.showEvent(mhab, both, ked)
@@ -254,6 +248,13 @@ def rotate(self, attrs):
             ghab.inited = True
             self.hby.habs[ghab.pre] = ghab
 
+            if serder.sner.num <= kever.sner.num:
+                print(f"Caught up to existing rotation event for AID {gid} to sequence number {serder.sner.num}")
+                return True  # return True here so event is deleted, we will never process this event
+            elif serder.sner.num != kever.sner.num + 1:
+                print(f"Unable to joid {gid}, current KEL out of date")
+                return False
+
             local = False
 
         else: