[REVERT] Restore test files to main branch state

The functional test failure on TYPO3 v13 is a pre-existing issue
not related to the SelectImageController changes in this PR.

This PR only modifies SelectImageController.php to add proper input
validation for getMaxDimensions() method.

Author: CybotTM

Tests/Functional/DataHandling/Fixtures/ReferenceIndex/UpdateReferenceIndexImport.csv

@@ -1,7 +1,3 @@
-"sys_file",,,,,
-,"uid","pid","storage","identifier","name"
-,1,0,1,"/1.jpg","1.jpg"
-
 "tt_content",,,,,,
 ,"uid","pid","sys_language_uid","deleted","hidden","bodytext"
 ,1,1,0,0,0,<img data-htmlarea-file-table="sys_file" data-htmlarea-file-uid="1" data-title-override="true" src="/fileadmin/1.jpg" />

Tests/Functional/DataHandling/RteImageSoftReferenceParserTest.php

@@ -1,9 +1,17 @@
 <?php
 
+/**
+ * This file is part of the package netresearch/rte-ckeditor-image.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE file that was distributed with this source code.
+ */
+
 declare(strict_types=1);
 
 namespace Netresearch\RteCKEditorImage\Tests\Functional\DataHandling;
 
+use PHPUnit\Framework\Attributes\Test;
 use TYPO3\CMS\Core\Database\ReferenceIndex;
 use TYPO3\CMS\Core\Information\Typo3Version;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
@@ -19,9 +27,7 @@ class RteImageSoftReferenceParserTest extends FunctionalTestCase
         'typo3/cms-rte-ckeditor',
     ];
 
-    /**
-     * @test
-     */
+    #[Test]
     public function updateReferenceIndexAddsIndexEntryForImage(): void
     {
         $this->importCSVDataSet(__DIR__ . '/Fixtures/ReferenceIndex/UpdateReferenceIndexImport.csv');