[JS IR] Add test in external js fun with default args

^KT-40090 fixed

compiler/testData/codegen/box/external/jsWithDefaultArg.kt

@@ -0,0 +1,25 @@
+// TARGET_BACKEND: JS_IR
+// CALL_MAIN
+
+external fun create(
+    p0: String = definedExternally,
+    p1: String = definedExternally,
+    p2: String = definedExternally,
+    p3: String = definedExternally,
+    p4: String = definedExternally,
+) : Array<String>
+
+fun main() {
+    js("global.create = function() {return arguments}")
+}
+
+fun box(): String {
+    val zeroArgs = create()
+    if (zeroArgs.size != 0) return "fail: $zeroArgs arguments instead 0"
+
+    val p2 = "p2"
+    val threeArgs = create(p2 = p2)
+    if (threeArgs.size != 3 || threeArgs[2] != p2) return "fail: $threeArgs arguments instead 3"
+
+    return "OK"
+}