[FIR] Implement CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS diagnostics, fix tests

compiler/testData/diagnostics/tests/Abstract.fir.kt

@@ -56,6 +56,6 @@ abstract class B3(i: Int) {
 }
 
 fun foo(c: B3) {
-    val a = B3(1)
-    val b = B1(2, "s")
-}
+    val a = <!CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS!>B3(1)<!>
+    val b = <!CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS!>B1(2, "s")<!>
+}

compiler/testData/diagnostics/tests/typealias/typeAliasConstructorWrongClass.fir.kt

@@ -2,8 +2,8 @@
 
 abstract class AbstractClass
 typealias Test1 = AbstractClass
-val test1 = Test1()
-val test1a = AbstractClass()
+val test1 = <!CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS!>Test1()<!>
+val test1a = <!CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS!>AbstractClass()<!>
 
 annotation class AnnotationClass
 typealias Test2 = AnnotationClass