Update lib/rules/no-unknown-property.js

Co-Authored-By: golopot <[email protected]>

Author: ljharb

lib/rules/no-unknown-property.js

@@ -174,7 +174,7 @@ function getTagName(node) {
  * @returns {Boolean} result
  */
 function tagNameHasDot(node) {
-  return Boolean(
+  return !!(
     node.parent &&
     node.parent.name &&
     node.parent.name.type === 'JSXMemberExpression'