Fix target method on dataProvider on DataProviderAnnotationToAttributeRector (#524)

Author: samsonasik

rules-tests/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector/Fixture/already_in_use.php.inc

@@ -26,7 +26,7 @@ use PHPUnit\Framework\TestCase;
 
 final class AlreadyInUse extends TestCase
 {
-    #[\PHPUnit\Framework\Attributes\DataProvider('@dataProvider')]
+    #[\PHPUnit\Framework\Attributes\DataProvider('someMethod')]
     public function test(): void
     {
     }

rules/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector.php

@@ -140,7 +140,7 @@ public function refactor(Node $node): ?Node
             if ($desiredTagValueNode->value instanceof GenericTagValueNode) {
                 $originalAttributeValue = $desiredTagValueNode->value->value;
             } else {
-                $originalAttributeValue = $desiredTagValueNode->value->identifierTypeNode->name;
+                $originalAttributeValue = $desiredTagValueNode->value->getOriginalContent();
             }
 
             $node->attrGroups[] = $this->createAttributeGroup(strtok($originalAttributeValue, " \t\n\r\0\x0B"));