More DoAfter Changes (#14609)

* DoAfters

* Compact Clone()

* Fix mice and cuffables

* Try generalize attempt events

* moves climbabledoafter event to shared, fixes issue with climbable target

* Fix merge (cuffing)

* Make all events netserializable

* handful of doafter events moved

* moves the rest of the events to their respective shared folders

* Changes all mentions of server doafter to shared

* stop stripping cancellation

* fix merge errors

* draw paused doafters

* handle unpausing

* missing netserializable ref

* removes break on stun reference

* removes cuffing state reference

* Fix tools

* Fix door prying.

* Fix construction

* Fix dumping

* Fix wielding assert

* fix rev

* Fix test

* more test fixes

---------

Co-authored-by: keronshb <keronshb@live.com>

Content.Server/Medical/Components/HealingComponent.cs

@@ -1,6 +1,6 @@
-using System.Threading;
 using Content.Shared.Damage;
 using Content.Shared.Damage.Prototypes;
+using Content.Shared.DoAfter;
 using Robust.Shared.Audio;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 
@@ -39,12 +39,6 @@ namespace Content.Server.Medical.Components
         [DataField("delay")]
         public float Delay = 3f;
 
-        /// <summary>
-        /// Cancel token to prevent rapid healing
-        /// </summary>
-        [DataField("cancelToken")]
-        public CancellationTokenSource? CancelToken;
-
         /// <summary>
         /// Delay multiplier when healing yourself.
         /// </summary>