Start indexing right away when project was already indexed before (#2941)

Release notes:
- Improved semantic search indexing to start in the background if the
project was already indexed before.
98999b1e9aAntonio Scandurra committed on 9/7/2023, 5:47:26 PM· committed by GitHubparents3b78466eda7e00
3 files changedLine totals unavailable