Prevent inventory events from being relayed to pockets (#6074)

Co-authored-by: ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>

Content.Server/Atmos/PressureEvent.cs

@@ -1,8 +1,9 @@
-using Robust.Shared.GameObjects;
+using Content.Shared.Inventory;
+using Robust.Shared.GameObjects;
 
 namespace Content.Server.Atmos
 {
-    public abstract class PressureEvent : EntityEventArgs
+    public abstract class PressureEvent : EntityEventArgs, IInventoryRelayEvent
     {
         /// <summary>
         ///     The environment pressure.
@@ -28,6 +29,11 @@ namespace Content.Server.Atmos
         /// </remarks>
         public float Multiplier { get; set; } = 1f;
 
+        /// <summary>
+        ///     The inventory slots that should be checked for pressure protecting equipment.
+        /// </summary>
+        public SlotFlags TargetSlots { get; } = ~SlotFlags.POCKET;
+
         protected PressureEvent(float pressure)
         {
             Pressure = pressure;