[FIR] Allow annotation instantiation.

This commit disables the frontend error reporting for supported cases.

compiler/testData/diagnostics/tests/annotations/ConstructorCallAllowed.fir.kt

@@ -1,18 +0,0 @@
-// WITH_RUNTIME
-// SKIP_TXT
-// !LANGUAGE: +InstantiationOfAnnotationClasses
-
-import kotlin.reflect.KClass
-
-annotation class A
-annotation class B(val int: Int)
-annotation class C(val int: Int = 42)
-
-annotation class G<T: Any>(val int: KClass<T>)
-
-fun box() {
-    val a = <!ANNOTATION_CLASS_CONSTRUCTOR_CALL!>A()<!>
-    val b = <!ANNOTATION_CLASS_CONSTRUCTOR_CALL!>B(4)<!>
-    val c = <!ANNOTATION_CLASS_CONSTRUCTOR_CALL!>C()<!>
-    val foo = <!ANNOTATION_CLASS_CONSTRUCTOR_CALL!>G(Int::class)<!>
-}

compiler/testData/diagnostics/tests/annotations/ConstructorCallAllowed.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // WITH_RUNTIME
 // SKIP_TXT
 // !LANGUAGE: +InstantiationOfAnnotationClasses

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

@@ -7,8 +7,8 @@ val test1a = <!CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS!>AbstractClass()<!>
 
 annotation class AnnotationClass
 typealias Test2 = AnnotationClass
-val test2 = <!ANNOTATION_CLASS_CONSTRUCTOR_CALL!>Test2()<!>
-val test2a = <!ANNOTATION_CLASS_CONSTRUCTOR_CALL!>AnnotationClass()<!>
+val test2 = Test2()
+val test2a = AnnotationClass()
 
 enum class EnumClass { VALUE1, VALUE2 }
 typealias Test3 = EnumClass