fix error when mysql uses capital letters in column name

Author: Fasse

src/Components/Entity/ComponentUpdate.php

@@ -283,6 +283,9 @@ public function update(string $targetVersion)
 
                 // save current version to system component
                 $this->setValue('com_version', $mainVersion . '.' . $minorVersion . '.0');
+                if ($mainVersion === ADMIDIO_VERSION_MAIN && $minorVersion === ADMIDIO_VERSION_MINOR) {
+                    $this->setValue('com_beta', ADMIDIO_VERSION_BETA);
+                }
                 $this->save();
 
                 // output of the version number for better debugging

src/InstallationUpdate/Service/UpdateStepsCode.php

@@ -64,7 +64,8 @@ public static function updateStep51ConvertCharsetToUtf8mb4(): void
 
         $admidioTables = self::$db->queryPrepared($sql, array($g_adm_db, $g_tbl_praefix . '_%'));
         while ($row = $admidioTables->fetch()) {
-            $sql = 'ALTER TABLE ' . $row['TABLE_NAME'] . ' CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci';
+            $tableName = isset($row['table_name']) ? $row['table_name'] : (isset($row['TABLE_NAME']) ? $row['TABLE_NAME'] : null);
+            $sql = 'ALTER TABLE ' . $tableName . ' CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci';
             self::$db->queryPrepared($sql);
         }
     }