Fix code generation for Array<C> element access where C is inline class

compiler/testData/codegen/box/arrays/arraysOfInlineClass/accessArrayOfInlineClass.kt

@@ -0,0 +1,14 @@
+// !LANGUAGE: +InlineClasses
+// IGNORE_BACKEND: JVM_IR, JS_IR
+
+inline class Z(val data: Int)
+
+val xs = Array(2) { Z(42) }
+
+fun box(): String {
+    xs[0] = Z(12)
+    val t = xs[0]
+    if (t.data != 12) throw AssertionError("$t")
+
+    return "OK"
+}