fix: omv integrations is unable to correctly retrieve the file system when using omv-zfs (#2337)

* fix: omv integrations is unable to correctly retrieve the file system when using omv-zfs

packages/integrations/src/openmediavault/openmediavault-integration.ts

@@ -67,7 +67,7 @@ export class OpenMediaVaultIntegration extends Integration {
     const fileSystem = fileSystemResult.data.response.map((fileSystem) => ({
       deviceName: fileSystem.devicename,
       used: fileSystem.used,
-      available: fileSystem.available,
+      available: fileSystem.available.toString(),
       percentage: fileSystem.percentage,
     }));
 

packages/integrations/src/openmediavault/openmediavault-types.ts

@@ -25,7 +25,7 @@ export const fileSystemSchema = z.object({
     z.object({
       devicename: z.string(),
       used: z.string(),
-      available: z.string(),
+      available: z.string().or(z.number()),
       percentage: z.number(),
     }),
   ),