Fixed an issue that caused a 500 server error when adding too many competitors to monitor in the 'Competitors' tab.
- Users experienced prolonged hangs during additions to the competitors list while monitoring more than 5 competitors.
- First Identified: 18:37 UTC, Wednesday, November 20, 2024
- Root Cause: Missing restriction on a maximum of competitors per channel.
Fixes #1, relates to BF-1