Add filters to related niches search

curl --request POST \
  --url https://dev.creatordb.app/v2/getRelatedNiches \
  --header 'Accept: application/json' \
  --header 'Content-Type: application/json' \
  --header 'apiId: LE6DPZQkR3TQShxofXoD2j8qCBu1-f0jti665m1t50dwDD12W' \
  --data '{
  "platform": "youtube",
  "nicheIds": [
    "id_youtuber_Entertainment"
  ]
}'

{
  "data": {
    "platform": "youtube",
    "nicheIds": [
      "NICHES_0",
      "NICHES_1",
      "NICHES_2"
    ]
  },
  "quotaUsed": 1,
  "quotaUsedTotal": 6025,
  "remainingPlanCredit": 993975,
  "remainingPrepurchasedCredit": 0,
  "timestamp": 1755503517183,
  "error": "",
  "success": true
}