Generating "firstOrNull()?.let {...}"

idea/testData/intentions/loopToCallChain/firstOrNull_let.kt

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+fun foo(list: List<String>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            result = bar(s)
+            break
+        }
+    }
+}
+
+fun bar(s: String): String = s