fix(services): clean up dependent resources during service deletion

ts/manager.backup/classes.backupmanager.ts

@@ -198,6 +198,18 @@ export class CloudlyBackupManager {
     return await backup.createSavableObject();
   }
 
+  public async deleteBackupsForService(serviceIdArg: string): Promise<void> {
+    const backups = await this.CBackupRecord.getInstances({
+      serviceId: serviceIdArg,
+    });
+    for (const backup of backups) {
+      if (backup.replication?.targetPath) {
+        await this.getBackupTargetWriter().deletePrefix(backup.replication.targetPath);
+      }
+      await backup.delete();
+    }
+  }
+
   public async backupAllServices() {
     const services = await this.cloudlyRef.serviceManager.CService.getInstances({});
     const results: Array<{ serviceId: string; backupId?: string; errorText?: string }> = [];