Create new management token command to support different resource
permissions (logs, admin, host_details). This fixes failing component
tests that need admin-level tokens to access management endpoints.
- Add ManagementResource enum values: Admin, HostDetails
- Create cmd/cloudflared/management package with token command
- Extract shared utilities to cliutil/management.go (GetManagementToken, CreateStderrLogger)
- Refactor tail/cmd.go to use shared utilities
- Update component tests to use new command with admin resource
Closes TUN-10292
Gonçalo Garcia