Magboots ECS and Cleanup (#9245)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Shared/Movement/Components/MovementIgnoreGravityComponent.cs

@@ -60,7 +60,7 @@ namespace Content.Shared.Movement.Components
 
             if (invSys.TryGetSlotEntity(entity, "shoes", out var ent))
             {
-                if (entityManager.TryGetComponent<SharedMagbootsComponent>(ent, out var boots) && boots.On)
+                if (entityManager.TryGetComponent<MagbootsComponent>(ent, out var boots) && boots.On)
                     return false;
             }