Status effect refactor (#4868)

* Oops! All Changes In One Commit

* try desperately to fix prediction issues and fail

* oops

* test

* actually fixes prediction issues

* port jittering to status effect

* default merge behavior + alert cooldown stuff

* silly test issue

* zabloing

* address reviews

Content.Server/Stunnable/Components/StunOnCollideComponent.cs

@@ -13,7 +13,7 @@ namespace Content.Server.Stunnable.Components
         // TODO: Can probably predict this.
         public override string Name => "StunOnCollide";
 
-        // See stunnable for what these do
+        // See stunsystem for what these do
         [DataField("stunAmount")]
         public int StunAmount;