Deprecate IActionBlocker in favour of cancellable events (#4193)

* Deprecate IActionBlocker in favour of cancellable events

* Bring back old speech/emoting component restrictions

* Rename action blocker listener methods

* Use Entity System public methods instead of extension methods

Co-authored-by: Vera Aguilera Puerto <gradientvera@outlook.com>

Content.Server/AI/Steering/AiSteeringSystem.cs

@@ -10,6 +10,7 @@ using Content.Server.AI.Pathfinding.Pathfinders;
 using Content.Server.CPUJob.JobQueues;
 using Content.Shared.ActionBlocker;
 using Content.Shared.Interaction.Helpers;
+using Content.Shared.Movement;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Map;
@@ -249,7 +250,7 @@ namespace Content.Server.AI.Steering
             // Main optimisation to be done below is the redundant calls and adding more variables
             if (entity.Deleted ||
                 !entity.TryGetComponent(out AiControllerComponent? controller) ||
-                !ActionBlockerSystem.CanMove(entity) ||
+                !EntitySystem.Get<ActionBlockerSystem>().CanMove(entity) ||
                 !entity.Transform.GridID.IsValid())
             {
                 return SteeringStatus.NoPath;