Current historical block height written to real-time block height in Indexer Status

[morgsmccauley]

In V2, we don't make a distinction between historical real-time executions, therefore causing the historical block height to be written to the real-time column. This can be observed via the "Indexer State" UI:

As the Indexer starts:

A few moments later once the historical process starts, note that the "Current Block Height" is less than the above:

We need to update the Runner so that it sets the 'historical' flag when executing historical blocks.