修复部分情况下为调用UpdateCache导致皮肤设置失败

SpineViewer/Spine/Implementations/SpineObject/SpineObject36.cs

@@ -180,12 +180,14 @@ namespace SpineViewer.Spine.Implementations.SpineObject
                     skeleton.Skin.AddAttachment(k.slotIndex, k.name, v);
             }
             skeleton.SetSlotsToSetupPose();
+            skeleton.UpdateCache();
         }
 
         protected override void clearSkins()
         {
             skeleton.Skin.Attachments.Clear();
             skeleton.SetSlotsToSetupPose();
+            skeleton.UpdateCache();
         }
 
         protected override int[] getTrackIndices() => animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks.Items[i] is not null).ToArray();