Partial buckling refactor (#29031)

* partial buckling refactor

* git mv test

* change test namespace

* git mv test

* Update test namespace

* Add pulling test

* Network BuckleTime

* Add two more tests

* smelly

Content.Shared/Movement/Pulling/Events/PullStartedMessage.cs

@@ -1,9 +1,6 @@
 namespace Content.Shared.Movement.Pulling.Events;
 
-public sealed class PullStartedMessage : PullMessage
-{
-    public PullStartedMessage(EntityUid pullerUid, EntityUid pullableUid) :
-        base(pullerUid, pullableUid)
-    {
-    }
-}
+/// <summary>
+/// Event raised directed BOTH at the puller and pulled entity when a pull starts.
+/// </summary>
+public sealed class PullStartedMessage(EntityUid pullerUid, EntityUid pullableUid) : PullMessage(pullerUid, pullableUid);