Fix formatting when keyword is parsed as part of a JSX identifier (e.g. module-layout) (#18598)

tests/cases/fourslash/formatJsxWithKeywordInIdentifier.ts

@@ -0,0 +1,9 @@
+/// <reference path='fourslash.ts' />
+
+// Test that we don't crash when encountering a keyword in a JSX identifier.
+
+// @Filename: /a.tsx
+////<div module-layout=""></div>
+
+format.document();
+verify.currentFileContentIs(`<div module-layout=""></div>`);