[IR] update testdata: better support for enum and object accesses

compiler/testData/ir/irText/declarations/annotations/enumsInAnnotationArguments.kt.txt

@@ -27,7 +27,7 @@ annotation class TestAnn : Annotation {
 
 }
 
-@TestAnn(x = En)
+@TestAnn(x = En.A)
 fun test1() {
 }
 

compiler/testData/ir/irText/declarations/annotations/fileAnnotations.kt.txt

@@ -1,7 +1,7 @@
 @file:A(x = "File annotation")
 package test
 
-@Target(allowedTargets = [AnnotationTarget])
+@Target(allowedTargets = [AnnotationTarget.FILE])
 annotation class A : Annotation {
   constructor(x: String) /* primary */ 
   val x: String

compiler/testData/ir/irText/declarations/annotations/typeAliasesWithAnnotations.kt.txt

@@ -1,4 +1,4 @@
-@Target(allowedTargets = [AnnotationTarget])
+@Target(allowedTargets = [AnnotationTarget.TYPEALIAS])
 annotation class TestAnn : Annotation {
   constructor(x: String) /* primary */ 
   val x: String

compiler/testData/ir/irText/declarations/annotations/typeParametersWithAnnotations.kt.txt

@@ -1,4 +1,4 @@
-@Target(allowedTargets = [AnnotationTarget])
+@Target(allowedTargets = [AnnotationTarget.TYPE_PARAMETER])
 annotation class Anno : Annotation {
   constructor() /* primary */