Actions Rework (#6791)

* Rejig Actions

* fix merge errors

* lambda-b-gon

* fix PAI, add innate actions

* Revert "fix PAI, add innate actions"

This reverts commit 4b501ac083e979e31ebd98d7b98077e0dbdd344b.

* Just fix by making nullable.

if only require: true actually did something somehow.

* Make AddActions() ensure an actions component

and misc comments

* misc cleanup

* Limit range even when not checking for obstructions

* remove old guardian code

* rename function and make EntityUid nullable

* fix magboot bug

* fix action search menu

* make targeting toggle all equivalent actions

* fix combat popups (enabling <-> disabling)

Content.Shared/PAI/PAIComponent.cs

@@ -1,6 +1,5 @@
-using Robust.Shared.GameObjects;
+using Content.Shared.Actions.ActionTypes;
 using Robust.Shared.GameStates;
-using Robust.Shared.Serialization;
 
 namespace Content.Shared.PAI
 {
@@ -17,6 +16,8 @@ namespace Content.Shared.PAI
     [RegisterComponent, NetworkedComponent]
     public sealed class PAIComponent : Component
     {
+        [DataField("midiAction", required: true, serverOnly: true)] // server only, as it uses a server-BUI event !type
+        public InstantAction? MidiAction;
     }
 }