Special case of limit: 0 in not handled properly in scroll API.

Current Behavior

Service panics if limit: 0 in scroll API

Steps to Reproduce

curl -L -X POST "http://$QDRANT_HOST/collections/test_collection/points/scroll" \
  --fail -s \
  -H 'Content-Type: application/json' \
  --data-raw '{ "offset": 0, "limit": 0}'

on any collection

Expected Behavior

400 error

Possible Solution

add check for limit value