Fix 'In multiline class declaration the indent before parent's name is destroyed' (KT-3848)

#KT-3848 Fixed

idea/testData/formatter/DelegationList.kt

@@ -0,0 +1,26 @@
+trait A1
+trait A2
+trait A3
+
+open class B1
+
+class Simpleclass1() : B1(), A1,
+A2, A3
+
+class SimpleClass2() :
+B1(), A1,
+A2, A3
+
+class Temp {
+    class SimpleClass3() : B1(), A1,
+A2, A3
+}
+
+object SimpleObject1: B1(), A1,
+A2, A3
+
+object SimpleObject2: B1(),
+A1,
+A2, A3
+
+// SET_TRUE: ALIGN_MULTILINE_EXTENDS_LIST