Support default parameter values for inline class constructors and funs

#KT-26908
 #KT-26554

Move default parameter value tests to separate directory

compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassFun.kt

@@ -0,0 +1,13 @@
+// !LANGUAGE: +InlineClasses
+// IGNORE_BACKEND: JVM_IR
+
+inline class Z(val x: Int) {
+    fun test(y: Int = 42) = x + y
+}
+
+fun box(): String {
+    if (Z(800).test() != 842) throw AssertionError()
+    if (Z(400).test(32) != 432) throw AssertionError()
+
+    return "OK"
+}