Fix "Remove @ from annotation argument" (make consistent PSI)

Three relevant quick-fix tests should be fixed after it

idea/src/org/jetbrains/kotlin/idea/quickfix/RemoveAtFromAnnotationArgument.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.idea.quickfix
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.project.Project
 import org.jetbrains.kotlin.diagnostics.Diagnostic
+import org.jetbrains.kotlin.psi.KtAnnotatedExpression
 import org.jetbrains.kotlin.psi.KtAnnotationEntry
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.psi.KtPsiFactory
@@ -30,15 +31,15 @@ class RemoveAtFromAnnotationArgument(constructor: KtAnnotationEntry) : KotlinQui
     override fun getFamilyName() = text
 
     override fun invoke(project: Project, editor: Editor?, file: KtFile) {
-        val element = element ?: return
+        val elementToReplace = (element?.parent as? KtAnnotatedExpression) ?: return
 
-        val noAt = KtPsiFactory(element.project).createExpression(element.text.replaceFirst("@", ""))
-        element.replace(noAt)
+        val noAt = KtPsiFactory(elementToReplace.project).createExpression(elementToReplace.text.replaceFirst("@", ""))
+        elementToReplace.replace(noAt)
     }
 
     companion object : KotlinSingleIntentionActionFactory() {
         override fun createAction(diagnostic: Diagnostic): KotlinQuickFixAction<KtAnnotationEntry>? =
-                (diagnostic.psiElement as? KtAnnotationEntry)?.let { RemoveAtFromAnnotationArgument(it) }
+            (diagnostic.psiElement as? KtAnnotationEntry)?.let { RemoveAtFromAnnotationArgument(it) }
     }
 
 }

idea/testData/quickfix/removeAtFromAnnotationArgument/namedParam.kt

@@ -1,5 +1,4 @@
 // "Remove @ from annotation argument" "true"
-// ERROR: An annotation argument must be a compile-time constant
 
 annotation class Y()
 annotation class X(val value: Y, val y: Y)

idea/testData/quickfix/removeAtFromAnnotationArgument/namedParam.kt.after

@@ -1,5 +1,4 @@
 // "Remove @ from annotation argument" "true"
-// ERROR: An annotation argument must be a compile-time constant
 
 annotation class Y()
 annotation class X(val value: Y, val y: Y)

idea/testData/quickfix/removeAtFromAnnotationArgument/simple.kt

@@ -1,5 +1,4 @@
 // "Remove @ from annotation argument" "true"
-// ERROR: An annotation argument must be a compile-time constant
 
 annotation class Y()
 annotation class X(val value: Y)

idea/testData/quickfix/removeAtFromAnnotationArgument/simple.kt.after

@@ -1,5 +1,4 @@
 // "Remove @ from annotation argument" "true"
-// ERROR: An annotation argument must be a compile-time constant
 
 annotation class Y()
 annotation class X(val value: Y)