Add test case for JSX nested indentation issue

Co-authored-by: jakebailey <[email protected]>

Author: Copilot

testdata/tests/cases/compiler/jsxNestedIndentation.js

@@ -0,0 +1,9 @@
+// @target: esnext
+// @jsx: react
+// @strict: true
+// @noEmit: false
+function Test() {
+    return React.createElement(Child, null,
+        React.createElement(Child, null,
+            React.createElement(Child, null)));
+}

testdata/tests/cases/compiler/jsxNestedIndentation.tsx

@@ -0,0 +1,14 @@
+// @target: esnext
+// @jsx: react
+// @strict: true
+// @noEmit: false
+
+declare var React: any;
+declare function Child(props: { children?: any }): any;
+function Test() {
+    return <Child>
+        <Child>
+            <Child></Child>
+        </Child>
+    </Child>
+}