Prevent inserting into unpowered lathes (#12405)

Entities with MaterialStorageComponent should not accept materials if
they are supposed to be powered, and are not actually powered.

This fixes being able to insert ores into unpowered or unanchored ore
processors, among other issues.

Content.Server/Materials/MaterialStorageSystem.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Materials;
 using Content.Shared.Popups;
+using Content.Server.Power.Components;
 using Robust.Shared.Player;
 
 namespace Content.Server.Materials;
@@ -16,6 +17,8 @@ public sealed class MaterialStorageSystem : SharedMaterialStorageSystem
     {
         if (!Resolve(receiver, ref component))
             return false;
+        if (TryComp<ApcPowerReceiverComponent>(receiver, out var power) && !power.Powered)
+            return false;
         if (!base.TryInsertMaterialEntity(user, toInsert, receiver, component))
             return false;
         _audio.PlayPvs(component.InsertingSound, component.Owner);