This PR changes the `key` used for rate limiting so that it includes any
`Forwarded` or `X-Forwarded-For` headers, so that rate-limiting counter
respects any load balancers that are running on top of Appsmith
container.
/test sanity
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/11855493733>
> Commit: af2d760c6e5f3ea61ae0bfb476cb4e023648cecc
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=11855493733&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity`
> Spec:
> <hr>Fri, 15 Nov 2024 12:04:04 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Enhanced rate limiting configuration for improved performance with
load balancers.
- Adjusted handling of custom domains for better certificate management.
- **Bug Fixes**
- Improved error handling by removing unnecessary headers to enhance
security and response consistency.
- **Documentation**
- Updated internal logic for generating server configurations, ensuring
clarity in server setup.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
f7f9fc3146