Add a test for KT-38338

^KT-38338

idea/testData/multiModuleHighlighting/multiplatform/actualizedSupertype/common/common.kt

@@ -0,0 +1,9 @@
+package com.example
+
+interface CommonMainIface {
+    fun f() = Unit
+}
+
+internal expect abstract class CommonMainExpectDerivedClass constructor() : CommonMainIface
+
+internal abstract class CommonMainImplClass : CommonMainExpectDerivedClass()

idea/testData/multiModuleHighlighting/multiplatform/actualizedSupertype/jvm/jvm.kt

@@ -0,0 +1,14 @@
+package com.example
+
+internal actual abstract class CommonMainExpectDerivedClass actual constructor() : CommonMainIface
+
+internal class IosMainImplClass : CommonMainImplClass()
+
+internal fun getInstance() = IosMainImplClass()
+
+fun main() {
+    getInstance().f()
+    (getInstance() as CommonMainImplClass).f()
+    (getInstance() as CommonMainExpectDerivedClass).f()
+    (getInstance() as CommonMainIface).f()
+}