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/Chemistry/EntitySystems/SolutionContainerSystem.cs

@@ -317,11 +317,11 @@ public sealed partial class SolutionContainerSystem : EntitySystem
         return true;
     }
 
-    public bool TryGetSolution(EntityUid uid, string name,
+    public bool TryGetSolution([NotNullWhen(true)] EntityUid? uid, string name,
         [NotNullWhen(true)] out Solution? solution,
         SolutionContainerManagerComponent? solutionsMgr = null)
     {
-        if (!Resolve(uid, ref solutionsMgr, false))
+        if (uid == null || !Resolve(uid.Value, ref solutionsMgr, false))
         {
             solution = null;
             return false;