[FIR] Forbid creating abstract class instances via any qualified access

^KT-58938 Fixed

compiler/testData/diagnostics/tests/abstractClassReference.kt

@@ -0,0 +1,9 @@
+// FIR_IDENTICAL
+// ISSUE: KT-58938
+
+abstract class AbstractClass()
+
+fun main(args: Array<String>) {
+    val abstractClass = ::<!CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS!>AbstractClass<!>
+    abstractClass.invoke()
+}