ENGCOM-5669: fix lost the table prefix in setup #24195

Author: sidolov

setup/src/Magento/Setup/Model/Installer.php

@@ -756,9 +756,10 @@ private function setupFlagTable(
         SchemaSetupInterface $setup,
         AdapterInterface $connection
     ) {
-        if (!$connection->isTableExists($setup->getTable('flag'))) {
+        $tableName = $setup->getTable('flag');
+        if (!$connection->isTableExists($tableName)) {
             $table = $connection->newTable(
-                $setup->getTable('flag')
+                $tableName
             )->addColumn(
                 'flag_id',
                 \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
@@ -797,7 +798,7 @@ private function setupFlagTable(
             );
             $connection->createTable($table);
         } else {
-            $this->updateColumnType($connection, 'flag', 'flag_data', 'mediumtext');
+            $this->updateColumnType($connection, $tableName, 'flag_data', 'mediumtext');
         }
     }