Add data modifier to a class quickfix #KT-18220 Fixed

idea/testData/quickfix/addDataModifier/inner.kt

@@ -0,0 +1,14 @@
+// "Make 'Foo' data class" "false"
+// ACTION: Create extension function 'Test.Foo.component1'
+// ACTION: Create extension function 'Test.Foo.component2'
+// ACTION: Create member function 'Test.Foo.component1'
+// ACTION: Create member function 'Test.Foo.component2'
+// ACTION: Put arguments on separate lines
+// ERROR: Destructuring declaration initializer of type Test.Foo must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type Test.Foo must have a 'component2()' function
+class Test {
+    inner class Foo(val bar: String, val baz: Int)
+    fun test() {
+        var (bar, baz) = Foo("A", 1)<caret>
+    }
+}