Fix translation of copy() fun in data class

Fix translation of copy() function in data class which has secondary
constructor in JS BE. See KT-16717.

compiler/testData/codegen/box/dataClasses/copy/withSecondaryConstructor.kt

@@ -0,0 +1,9 @@
+data class A(val o: String, val k: String) {
+    constructor() : this("O", "k")
+}
+
+fun box(): String {
+    val a = A().copy(k = "K")
+    return a.o + a.k
+}
+