feat(uns): equipment is a tree leaf linking to the detail page; drop EquipmentModal

tests/Server/ZB.MOM.WW.OtOpcUa.AdminUI.Tests/Uns/UnsTreeAssemblyTests.cs

@@ -68,7 +68,7 @@ public sealed class UnsTreeAssemblyTests
     }
 
     [Fact]
-    public void Build_sets_equipment_child_count_and_lazy_flag()
+    public void Build_sets_equipment_child_count_and_leaf_flag()
     {
         var clusters = new[] { new ClusterRow("c1", "zb", "SiteA", "Alpha") };
         var areas = new[] { new AreaRow("a1", "c1", "AreaOne") };
@@ -82,9 +82,12 @@ public sealed class UnsTreeAssemblyTests
         var tree = UnsTreeAssembly.Build(clusters, areas, lines, equipment);
         var line = tree.Single().Children.Single().Children.Single().Children.Single();
 
+        // Equipment is a tree leaf that links to its own detail page, so it never carries an
+        // expander — HasLazyChildren is always false regardless of its tag/virtual-tag count.
+        // The ChildCount badge still reflects tags + virtual tags.
         var withChildren = line.Children.Single(e => e.Key == "eq:e1");
         withChildren.ChildCount.ShouldBe(3);
-        withChildren.HasLazyChildren.ShouldBeTrue();
+        withChildren.HasLazyChildren.ShouldBeFalse();
 
         var empty = line.Children.Single(e => e.Key == "eq:e2");
         empty.ChildCount.ShouldBe(0);