There was an issue where profiles on Damus would not load when switching
back and forth between the extension and Damus.
This commit fixes that by closing NostrDB when the extension is backgrounded
Testing
-------
PASS
Device: iPhone 13 Mini
iOS: 17.6.1
Damus: This commit
Steps:
1. Go to a webpage in safari, and open the highlight extension
2. With the highlight extension open, switch apps to Damus (without closing the extension)
3. Make sure profiles can be loaded on Damus
Signed-off-by: Daniel D’Aquino <daniel@daquino.me>
cf16a9cd10