Remove redundant validation logic and streamline form handling by
leveraging react-hook-form's context. Simplify component props and
enhance consistency across the sign-in/up flow.
Fix https://github.com/twentyhq/twenty/issues/9380
## Summary
Add support for multi-workspace feature and adjust configurations and
states accordingly.
- Introduced new state isMultiWorkspaceEnabledState.
- Updated ClientConfigProviderEffect component to handle
multi-workspace.
- Modified GraphQL schema and queries to include multi-workspace related
configurations.
- Adjusted server environment variables and their respective
documentation to support multi-workspace toggle.
- Updated server-side logic to handle new multi-workspace configurations
and conditions.
