Fix Loadout Subcategories Not Being Found (#1233)

Content.Client/Lobby/UI/HumanoidProfileEditor.xaml.cs

@@ -2289,7 +2289,7 @@ private Dictionary<string, object> CreateTree(List<LoadoutCategoryPrototype> cat
                 return match;
 
             foreach (var subcategory in parent.Contents.Where(c => c is NeoTabContainer).Cast<NeoTabContainer>())
-                match = FindCategory(id, subcategory);
+                match ??= FindCategory(id, subcategory);
 
             return match;
         }