IfThenToElvis & FoldInitializerAndIfToElvis should add new line for long expression

Relates to #KT-19643 #KT-16067

idea/testData/inspectionsLocal/branched/ifThenToElvis/longLine.kt

@@ -0,0 +1,13 @@
+fun maybeFoo(): String? {
+    return "foo"
+}
+
+val xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx = maybeFoo()
+
+fun main() {
+    val c = if (xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx != null)<caret> {
+        xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+    } else {
+        "abcdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdf"
+    }
+}

idea/testData/inspectionsLocal/branched/ifThenToElvis/longLine.kt.after

@@ -0,0 +1,10 @@
+fun maybeFoo(): String? {
+    return "foo"
+}
+
+val xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx = maybeFoo()
+
+fun main() {
+    val c = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+            ?: "abcdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdfdf"
+}