J2K: replace overloads with optional parameters not only for constructors but for methods too

j2k/testData/fileOrElement/constructors/secondaryConstructorWithDefaultValues2.kt

@@ -0,0 +1,11 @@
+// ERROR: Val cannot be reassigned
+// ERROR: Val cannot be reassigned
+class A() {
+    private val s = ""
+    private val x = 0
+
+    overloads public constructor(p: Int, s: String, x: Int = 1) : this() {
+        this.s = s
+        this.x = x
+    }
+}