polymorph popup fixes (#35796)

polymorph fixes

Content.Shared/Buckle/SharedBuckleSystem.Buckle.cs

@@ -416,7 +416,7 @@ public abstract partial class SharedBuckleSystem
 
     public bool TryUnbuckle(Entity<BuckleComponent?> buckle, EntityUid? user, bool popup)
     {
-        if (!Resolve(buckle.Owner, ref buckle.Comp))
+        if (!Resolve(buckle.Owner, ref buckle.Comp, false))
             return false;
 
         if (!CanUnbuckle(buckle, user, popup, out var strap))

Content.Shared/Polymorph/PolymorphPrototype.cs

@@ -128,6 +128,18 @@ public sealed partial record PolymorphConfiguration
     /// </summary>
     [DataField]
     public SoundSpecifier? ExitPolymorphSound;
+
+    /// <summary>
+    ///     If not null, this popup will be displayed when being polymorphed into something.
+    /// </summary>
+    [DataField]
+    public LocId? PolymorphPopup = "polymorph-popup-generic";
+
+    /// <summary>
+    ///     If not null, this popup will be displayed when when being reverted from a polymorph.
+    /// </summary>
+    [DataField]
+    public LocId? ExitPolymorphPopup = "polymorph-revert-popup-generic";
 }
 
 public enum PolymorphInventoryChange : byte