Replace with dot call quickfix: don't break formatting

#KT-25697 Fixed

idea/testData/quickfix/replaceWithSafeCallForScopeFunction/comment.kt

@@ -0,0 +1,9 @@
+// "Replace scope function with safe (?.) call" "true"
+// WITH_RUNTIME
+fun foo(a: String?) {
+    val b = a // comment1
+            // comment2
+            .let {
+                it<caret>.length
+            }
+}

idea/testData/quickfix/replaceWithSafeCallForScopeFunction/comment.kt.after

@@ -0,0 +1,9 @@
+// "Replace scope function with safe (?.) call" "true"
+// WITH_RUNTIME
+fun foo(a: String?) {
+    val b = a // comment1
+            // comment2
+            ?.let {
+                it.length
+            }
+}

idea/testData/quickfix/replaceWithSafeCallForScopeFunction/lineBreak.kt

@@ -0,0 +1,8 @@
+// "Replace scope function with safe (?.) call" "true"
+// WITH_RUNTIME
+fun foo(a: String?) {
+    val b = a
+            .let {
+                it<caret>.length
+            }
+}

idea/testData/quickfix/replaceWithSafeCallForScopeFunction/lineBreak.kt.after

@@ -0,0 +1,8 @@
+// "Replace scope function with safe (?.) call" "true"
+// WITH_RUNTIME
+fun foo(a: String?) {
+    val b = a
+            ?.let {
+                it.length
+            }
+}