[JS IR] Consider erasing type parameters in return type in js signatures

compiler/testData/codegen/box/bridges/overrideWithValueClassReturn.kt

@@ -0,0 +1,19 @@
+// WITH_STDLIB
+
+interface I<E> {
+    public fun foo(): VC<E>
+}
+
+@Suppress("OPTIONAL_DECLARATION_USAGE_IN_NON_COMMON_SOURCE")
+@kotlin.jvm.JvmInline
+public value class VC<out T>(val holder: String)
+
+abstract class AC<E>(val vc: VC<E>) : I<E> {
+    override fun foo(): VC<E> {
+        return vc
+    }
+}
+
+fun box(): String {
+    return object : AC<String>(VC("OK")) {}.foo().holder
+}