fix(is-native-element): walk full scope chain for shadow detection

`scope.references` only catches references visible at the immediate scope
level. A module-level `const div = MyComponent` binding needs
`scope.upper` traversal to shadow the native `<div>` tag correctly.

Author: johanrd

lib/utils/is-native-element.js

@@ -60,12 +60,25 @@ function isNativeElement(node, sourceCode) {
   }
   const scope = sourceCode.getScope(node.parent);
   const firstPart = node.parts && node.parts[0];
-  if (firstPart && scope.references.some((ref) => ref.identifier === firstPart)) {
+  // Walk the full scope chain so a module-level `const div = MyComponent`
+  // also shadows the native `<div>` tag, not just block-level bindings.
+  if (firstPart && hasBindingInScopeChain(scope, firstPart.name)) {
     return false;
   }
   return true;
 }
 
+function hasBindingInScopeChain(scope, name) {
+  let current = scope;
+  while (current) {
+    if (current.variables && current.variables.some((v) => v.name === name)) {
+      return true;
+    }
+    current = current.upper;
+  }
+  return false;
+}
+
 /**
  * Inverse of {@link isNativeElement}. Returns true when the node should NOT
  * be treated as a native HTML element — either because it's a component