fix(backups): honor full dumps and selected storage deletion (#11331)

app/Models/ScheduledDatabaseBackup.php

@@ -11,6 +11,7 @@ class ScheduledDatabaseBackup extends BaseModel
     protected function casts(): array
     {
         return [
+            'dump_all' => 'boolean',
             'database_backup_retention_max_storage_locally' => 'float',
             'database_backup_retention_max_storage_s3' => 'float',
         ];