Java to Kotlin converter: better formatting preserving from original code

#KT-4801 Fixed

j2k/tests/testData/ast/nullability/VariableInitializedWithTernaryNull.kt

@@ -1,7 +1,4 @@
 // !specifyLocalVariableTypeByDefault: true
 fun foo(b: Boolean) {
-    val s: String? = (if (b)
-        "abc"
-    else
-        null)
+    val s: String? = (if (b) "abc" else null)
 }