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/kt26554.kt

@@ -0,0 +1,20 @@
+// !LANGUAGE: +InlineClasses
+// IGNORE_BACKEND: JS, JS_IR, JVM_IR
+// WITH_RUNTIME
+
+data class RGBA(val rgba: Int)
+
+inline class RgbaArray(val array: IntArray) {
+    val size: Int get() = array.size
+
+    fun fill(value: RGBA, start: Int = 0, end: Int = this.size): Unit = array.fill(value.rgba, start, end)
+}
+
+fun box(): String {
+    val rgbas = RgbaArray(IntArray(10))
+    rgbas.fill(RGBA(123456))
+    for (i in rgbas.array.indices) {
+        if (rgbas.array[i] != 123456) throw AssertionError()
+    }
+    return "OK"
+}