KT-9839: intention introduced: convert primary constructor to secondary one

(cherry picked from commit 93aaa48)

idea/testData/intentions/convertPrimaryConstructorToSecondary/withBaseClass.kt.after

@@ -0,0 +1,9 @@
+abstract class Base(val x: Int)
+
+class Derived : Base {
+    constructor(x: Int) : super(x) {
+        this.y = 2 * x
+    }
+
+    val y: Int
+}