Assign trailing and preceding whitespaces to lambda block until the last comment in parser

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign_preserveComments.kt.after

@@ -4,7 +4,8 @@
 fun foo(list: List<String>) {
     // string should be non-empty
     // save it into result
-    val result: String? = list.firstOrNull { // search for first non-empty string in the list
+    val result: String? = list.firstOrNull {
+        // search for first non-empty string in the list
         it.length > 0
     }
 }