bug symfony#61650 [DoctrineBridge] Fix (nicolas-grekas)

This PR was merged into the 7.4 branch.

Discussion
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[DoctrineBridge] Fix

| Q             | A
| ------------- | ---
| Branch?       | 7.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

Introduced in symfony#61582

Commits
-------

d9ca867 [DoctrineBridge] Fix

Author: nicolas-grekas

src/Symfony/Bridge/Doctrine/SchemaListener/AbstractSchemaListener.php

@@ -59,13 +59,9 @@ protected function getIsSameDatabaseChecker(Connection $connection): \Closure
             }
 
             try {
-                $rowCount = $connection->executeStatement('DELETE FROM _schema_subscriber_check WHERE key == :key', ['key' => $key], ['key' => Types::STRING]);
-
-                return 0 === $rowCount;
+                return !$connection->executeStatement('DELETE FROM _schema_subscriber_check WHERE key == :key', ['key' => $key], ['key' => Types::STRING]);
             } finally {
-                [$count] = $connection->executeQuery('SELECT count(id) FROM _schema_subscriber_check')->fetchOne();
-
-                if (!$count) {
+                if (!$connection->executeQuery('SELECT count(id) FROM _schema_subscriber_check')->fetchOne()) {
                     try {
                         $schemaManager->dropTable('_schema_subscriber_check');
                     } catch (DatabaseObjectNotFoundException) {