message: feat: added index for collection group query in timelines collection
diff: {
  "indexes": [
  {
  - "collectionId": "requests",
  + "collectionGroup": "requests",
  + "queryScope": "COLLECTION",
  "fields": [
  - { "fieldPath": "status", "mode": "ASCENDING" },
  - { "fieldPath": "latLng", "mode": "ASCENDING" }
  + {
  + "fieldPath": "status",
  + "order": "ASCENDING"
  + },
  + {
  + "fieldPath": "latLng",
  + "order": "ASCENDING"
  + }
  + ]
  + },
  + {
  + "collectionGroup": "timeline",
  + "queryScope": "COLLECTION_GROUP",
  + "fields": [
  + {
  + "fieldPath": "actorRef",
  + "order": "ASCENDING"
  + },
  + {
  + "fieldPath": "actorSnapshot",
  + "order": "ASCENDING"
  + }
  ]
  }
  ],
  - "fieldOverrides": []
  + "fieldOverrides": [
  + {
  + "collectionGroup": "timeline",
  + "fieldPath": "actorRef",
  + "indexes": [
  + {
  + "order": "ASCENDING",
  + "queryScope": "COLLECTION"
  + },
  + {
  + "order": "DESCENDING",
  + "queryScope": "COLLECTION"
  + },
  + {
  + "arrayConfig": "CONTAINS",
  + "queryScope": "COLLECTION"
  + },
  + {
  + "order": "ASCENDING",
  + "queryScope": "COLLECTION_GROUP"
  + }
  + ]
  + }
  + ]
  }
  