Ghost roles create new minds, better tracking of roles at round end screen (#5175)

* Ghost roles now get new Minds

* Some round start/end button stuff

* Mind tracking for better round end reports

* Make traitor kill objectives use mind CharacterName rather than actual occupied entity ("kill brain" prevention)

* Transition over to EntityUid for mind stuff because that's the only way to do it

* BrainSystem fix for PR rebase

Content.Server/Cloning/CloningSystem.cs

@@ -40,7 +40,7 @@ namespace Content.Server.Cloning
                 mindComp.Mind != null)
                 return;
 
-            mind.TransferTo(entity, ghostCheckOverride: true);
+            mind.TransferTo(entity.Uid, ghostCheckOverride: true);
             mind.UnVisit();
             ClonesWaitingForMind.Remove(mind);
         }