Reapply "revert: remove extra Sequence validator changes that break MariaDB shared tables"

This reverts commit 906c03e.

Author: abnegate

src/Database/Database.php

@@ -6054,7 +6054,7 @@ public function updateDocument(string $collection, string $id, Document $documen
             $document['$createdAt'] = ($createdAt === null || !$this->preserveDates) ? $old->getCreatedAt() : $createdAt;
 
             if ($this->adapter->getSharedTables()) {
-                $document['$tenant'] = $old->getAttribute('$tenant'); // Make sure user doesn't switch tenant
+                $document['$tenant'] = $old->getTenant(); // Make sure user doesn't switch tenant
             }
             $document = new Document($document);
 

src/Database/Validator/Sequence.php

@@ -41,17 +41,13 @@ public function isValid($value): bool
             return false;
         }
 
-        if (!\is_string($value) && !\is_int($value)) {
+        if (!\is_string($value)) {
             return false;
         }
 
         switch ($this->idAttributeType) {
-            case Database::VAR_UUID7:
-                if (\is_string($value) && preg_match('/^[a-f0-9]{8}-[a-f0-9]{4}-7[a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$/i', $value) === 1) {
-                    return true;
-                }
-                // Also accept integer IDs (e.g. $tenant may be an integer in any adapter)
-                // no break
+            case Database::VAR_UUID7: //UUID7
+                return preg_match('/^[a-f0-9]{8}-[a-f0-9]{4}-7[a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$/i', $value) === 1;
             case Database::VAR_INTEGER:
                 $start = ($this->primary) ? 1 : 0;
                 $validator = new Range($start, Database::MAX_BIG_INT, Database::VAR_INTEGER);