"Load more" in results does not give the next page of results

I have to get around 1200 results from CosmosDB, which with the pagination is 12 pages. Normally you're able to get the next page of results using the "Load more" button near the number of retrieved rows.
When clicking this it does not update the results in the view.

Expected:
The next batch (100 items) to be displayed in the view at the bottom.

Start by tracing the results view's "Load more" button and the pagination request used for Cosmos DB results. Reproduce the issue with a result set spanning multiple 100-item pages, then verify that the next batch appears at the bottom of the view without replacing existing results.

Written by the indexing model from the issue text.