revert(install): reset condition to look for instance owner before continuing install

modules/Install/Controllers/InstallController.php

@@ -115,8 +115,10 @@ class InstallController extends Controller
         }
 
         try {
+            $db = db_connect();
+
             // Check if instance owner has been created, meaning install was completed
-            if ((new UserModel())->where('is_owner', true)
+            if ($db->tableExists('users') && (new UserModel())->where('is_owner', true)
                 ->first() !== null
             ) {
                 // if so, show a 404 page

rector.php

@@ -11,6 +11,7 @@ use Rector\CodingStyle\Rector\String_\SymplifyQuoteEscapeRector;
 use Rector\Config\RectorConfig;
 use Rector\Core\ValueObject\PhpVersion;
 use Rector\DeadCode\Rector\If_\UnwrapFutureCompatibleIfPhpVersionRector;
+use Rector\EarlyReturn\Rector\If_\ChangeAndIfToEarlyReturnRector;
 use Rector\EarlyReturn\Rector\If_\ChangeOrIfContinueToMultiContinueRector;
 use Rector\EarlyReturn\Rector\If_\ChangeOrIfReturnToEarlyReturnRector;
 use Rector\Php55\Rector\String_\StringClassNameToClassConstantRector;
@@ -64,6 +65,8 @@ return static function (RectorConfig $rectorConfig): void {
         SymplifyQuoteEscapeRector::class => [__DIR__ . '/app/Language/*', __DIR__ . '/modules/*/Language/*'],
 
         NewlineAfterStatementRector::class => [__DIR__ . '/app/Views'],
+
+        ChangeAndIfToEarlyReturnRector::class => [__DIR__ . '/modules/Install/Controllers/InstallController.php'],
     ]);
 
     // Path to phpstan with extensions, that PHPStan in Rector uses to determine types