fix: refactor status dropdown (EN-422)

Summary

https://cublueprint.atlassian.net/browse/EN-422 https://www.notion.so/miraho/Active-Client-Applicant-Issue-1e6aa7e9d791491d90610a0fbe24639a

Update status dropdown to restrict statuses and warn users when updating to active client.

Changes

• Changed StatusDropdown props to better match new approach
• Removed API calls from StatusDropdown component (use onChange)
• Refactored Dialog component to update open property when changed
• Created warning when changing to Active Client
• Updated all usages
• Take valid statuses from API