Paging before search is complete breaks hit count

[arildm]

1. Make a big search (e.g. enter a common word start like "de" and enable "initial part")
2. As soon as first page of results is shown, click the next page button ">"
3. Expected: The hit counter should continue increasing as the progress bar is progressing
4. Actual: The hit counter remains on the number it was when the next page button was clicked
5. To verify that the actual hit count is larger, click "Search" again and let it load fully

The makeRequest function in kwic_controller.ts has an isPaging flag. The point is to not reset the hit count while loading when switching page. But it assumes that the current hit count is correct when switching page.