DataFeed polling can happen out of sync #1623
Description
When performing DataFeed polling, it currently just takes whatever current data that is... despite the fact that it could actually be in the middle of a frame. This can cause some bad data in packets if the timing is wrong.
We can probably just queue the poll requests and handle it on the end of the tick. The only problem then is if we are polled too frequently, we can get slowed and possibly killed by the load, so we should probably have some form of config de-duplication and just send one response per unique config.