refactor: enhance role management UI and integrate profile management features

- Introduced a modal for managing user profiles, allowing for the creation and editing of profiles with improved state management.
- Updated the role filtering logic to enhance type safety and readability.
- Refactored UI components for better user experience, including improved button states and loading indicators.
- Removed outdated code related to permissions and streamlined the overall structure for maintainability.

packages/backend/convex/funcionarios.ts

@@ -48,7 +48,6 @@ export const getAll = query({
     // Retornar apenas os campos necessários para listagem
     return funcionarios.map((f) => ({
       _id: f._id,
-      _creationTime: f._creationTime,
       nome: f.nome,
       matricula: f.matricula,
       cpf: f.cpf,