JS: fix KT-37386

Anonymous object constructor parameters should not reuse JsName's
of the super class. Otherwise the temporary name renamer gets
confused.

js/js.translator/testData/box/objectDeclaration/kt37386.kt

@@ -0,0 +1,11 @@
+// EXPECTED_REACHABLE_NODES: 1315
+
+fun foo() = "OK"
+
+open class A(val foo: Boolean = true) {
+    val ok = foo()
+}
+
+val q = object : A() {}
+
+fun box() = q.ok