CAST_NEVER_SUCCEED: replace subtyping check with subclassing check #KT-13206 Fixed

(cherry picked from commit 5fc797a)

compiler/testData/diagnostics/tests/cast/AsWithOtherParameter.kt

@@ -12,7 +12,7 @@ fun use() {
 
 fun checkArrays(): Array<Any> {
     val someArray = arrayOfNulls<Any>(5)
-    someArray <!CAST_NEVER_SUCCEEDS!>as<!> Array<Int>
+    <!UNCHECKED_CAST!>someArray as Array<Int><!>
     return <!UNCHECKED_CAST!>someArray as Array<Any><!>
 }
 

compiler/testData/diagnostics/tests/substitutions/kt4887.kt

@@ -3,6 +3,6 @@ package h
 public class MyClass<S, T>(<!UNUSED_PARAMETER!>param<!>: MyClass<S, T>) {
     fun test() {
         val result: MyClass<Any, Any>? = null
-        MyClass<S, Any>(result <!CAST_NEVER_SUCCEEDS!>as<!> MyClass<S, Any>)
+        MyClass<S, Any>(<!UNCHECKED_CAST!>result as MyClass<S, Any><!>)
     }
 }