fix: readonly does not exists

fix: validate after setting timezone to the new value

app/Livewire/Project/Database/BackupEdit.php

@@ -40,7 +40,7 @@ class BackupEdit extends Component
     #[Validate(['required', 'string'])]
     public string $frequency = '';
 
-    #[Validate(['readonly', 'string'])]
+    #[Validate(['string'])]
     public string $timezone = '';
 
     #[Validate(['required', 'integer', 'min:1'])]
@@ -71,7 +71,6 @@ class BackupEdit extends Component
     public function syncData(bool $toModel = false)
     {
         if ($toModel) {
-            $this->customValidate();
             $this->backup->enabled = $this->backupEnabled;
             $this->backup->frequency = $this->frequency;
             $this->backup->number_of_backups_locally = $this->numberOfBackupsLocally;
@@ -79,6 +78,7 @@ class BackupEdit extends Component
             $this->backup->s3_storage_id = $this->s3StorageId;
             $this->backup->databases_to_backup = $this->databasesToBackup;
             $this->backup->dump_all = $this->dumpAll;
+            $this->customValidate();
             $this->backup->save();
         } else {
             $this->backupEnabled = $this->backup->enabled;