Enhance role selection functionality in ListSelectableRolesQueryHandler and update frontend role display

- Updated ListSelectableRolesQueryHandler to include IIdentityService and ICurrentUser for user authorization and profile retrieval.
- Added logic to filter out the current user's role and admin roles from the selectable roles list.
- Enhanced CreateRoleRequestDialog to display role options with additional information, including max configs and IP limits, using localization support.
- Updated i18n resources to include new role option formatting for both Russian and English.

frontend/src/shared/lib/i18n.ts

@@ -131,6 +131,7 @@ const resources = {
         existingRole: 'Существующая роль',
         newRole: 'Новая роль',
         selectRole: 'Выберите роль',
+        roleOption: '{{name}} — конфигов: {{configs}}, IP: {{ip}}',
         newRoleName: 'Название роли',
         newRoleMaxConfigs: 'Количество конфигов (-1 — без лимита)',
         newRoleMaxIpLimit: 'Количество IP (-1 — без лимита)',
@@ -548,6 +549,7 @@ const resources = {
         existingRole: 'Existing role',
         newRole: 'New role',
         selectRole: 'Select a role',
+        roleOption: '{{name}} — configs: {{configs}}, IP: {{ip}}',
         newRoleName: 'Role name',
         newRoleMaxConfigs: 'Max configs (-1 = unlimited)',
         newRoleMaxIpLimit: 'Max IPs (-1 = unlimited)',