Parroting Parrots part 1: Help maints! SQUAWK! Maints! (#38243)

* parrots have ears. add poly

* high tech parrot functionality

* adjust times

* add accent to radio message

* don't spam everything all at once probably

* learn about the existence of prob(float)

* actually use Prob(float) correctly

* newline

* add pet spawner for poly

* move chance to talk on radio to component

* missing comment

* minor edits and doc additions

* the reviewerrrrrrr

* parrot can't learn when crit or dead

* increase default memory

* rename poly to polly

* crude way to ignore whispers. chatcode please

* This is Polly. It is set to broadcast over the engineering frequency

* add missing initialize

* add displacement map for parrot ears

* review comments - Errant

* minor things

* large rework

* fix attempting to talk when entity has no channels

* use list of active radios again to track channels

* fix bad return, some comments

* fix long learn cooldown

* minor adjustments

* use FromMinutes

* the voices told me to make these changes

* remove default reassignment

* Review changes

* remove polly's accent

* decouple radio stuff from parrotsystem

* minor stuff

* split vocalization and parroting

* minor review work

* re-add missing check

* add admin verb for clearing parrot messages

* minor action icon update

* oops

* increase icon number text size

* Admin erase parrot messages associated with players

* part 1 beck review

* add whitelist and blacklist for parrots

* Downgrade missing component error to warning

* Add comment

* add some missing comments

* Remove active radio entity tracking, use all inventory slots

* Minor changes

* small review stuff

* review radio stuff

* swap ears displacement to invisible death displacement

* remove syncsprite

* vscode why do yo have to hurt my feelings

* review changes

* use checkboth

Content.Server/Administration/Systems/AdminSystem.cs

@@ -383,8 +383,13 @@ public sealed class AdminSystem : EntitySystem
         {
             _chat.DeleteMessagesBy(uid);
 
+            var eraseEvent = new EraseEvent(uid);
+
             if (!_minds.TryGetMind(uid, out var mindId, out var mind) || mind.OwnedEntity == null || TerminatingOrDeleted(mind.OwnedEntity.Value))
+            {
+                RaiseLocalEvent(ref eraseEvent);
                 return;
+            }
 
             var entity = mind.OwnedEntity.Value;
 
@@ -444,6 +449,8 @@ public sealed class AdminSystem : EntitySystem
 
             if (_playerManager.TryGetSessionById(uid, out var session))
                 _gameTicker.SpawnObserver(session);
+
+            RaiseLocalEvent(ref eraseEvent);
         }
 
     private void OnSessionPlayTimeUpdated(ICommonSession session)
@@ -451,3 +458,10 @@ public sealed class AdminSystem : EntitySystem
         UpdatePlayerList(session);
     }
 }
+
+/// <summary>
+/// Event fired after a player is erased by an admin
+/// </summary>
+/// <param name="PlayerNetUserId">NetUserId of the player that was the target of the Erase</param>
+[ByRefEvent]
+public record struct EraseEvent(NetUserId PlayerNetUserId);