## What does this PR do?
Fix 404 booking pages when org support is enabled locally
## Type of change
<!-- Please delete bullets that are not relevant. -->
- Bug fix (non-breaking change which fixes an issue)
## How should this be tested?
<!-- Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration -->
- Add localhost:3000 to ALLOWED_HOSTNAMES which is the default recommendation for enabling org support locally.
<img width="1035" alt="Screenshot 2023-07-10 at 11 04 35 AM" src="https://github.com/calcom/cal.com/assets/1780212/7272437b-afae-4073-905b-eafc39f9fafc">
- Simply restart the server and visit http://localhost:3000/pro. It will give 404. After this change it would work
## Mandatory Tasks
- [x] Make sure you have self-reviewed the code. A decent size PR without self-review might be rejected.
c2996cd2f8