feat(server): allow oauth claim to set 0 for no quota (#7581)

* feat(server): allow oauth claim to set 0 for no quota

* PR feedback to remove extra objects from user.stub.ts

server/src/domain/auth/auth.service.ts

@@ -264,7 +264,7 @@ export class AuthService {
       const storageQuota = this.getClaim(profile, {
         key: storageQuotaClaim,
         default: defaultStorageQuota,
-        isValid: (value: unknown) => isNumber(value) && value > 0,
+        isValid: (value: unknown) => isNumber(value) && value >= 0,
       });
 
       const userName = profile.name ?? `${profile.given_name || ''} ${profile.family_name || ''}`;