Code clean, small refactorings and tests

#KT-8987 Fixed

compiler/testData/codegen/box/argumentOrder/lambdaMigration.kt

@@ -0,0 +1,21 @@
+fun box(): String {
+    var res = "";
+    var call = test(a = {res += "K"; "K"}(), b = {res+="O"; "O"}(), c = {res += "L"; "L"})
+    if (res != "KOL" || call != "KOL") return "fail 1: $res != KOL or $call != KOL"
+
+    res = "";
+    call = test(a = {res += "K"; "K"}(), c = {res += "L"; "L"}, b = {res+="O"; "O"}())
+    if (res != "KOL" || call != "KOL") return "fail 2: $res != KOL or $call != KOL"
+
+
+    res = "";
+    call = test(c = {res += "L"; "L"}, a = {res += "K"; "K"}(), b = {res+="O"; "O"}())
+    if (res != "KOL" || call != "KOL") return "fail 3: $res != KOL or $call != KOL"
+
+    return "OK"
+
+}
+
+fun test(a: String, b: String, c: () -> String): String {
+    return a + b + c();
+}