Enhance inbound management by removing MaxClients property

- Removed the MaxClients property from Inbound-related data models, including InboundDto and PublishInboundCommand.
- Updated related methods and handlers to reflect the removal of MaxClients, ensuring consistent behavior across the application.
- Adjusted API documentation and frontend components to remove references to MaxClients, streamlining the inbound publishing process.
- Enhanced logging in command handlers to handle node unavailability scenarios during user actions.
- Improved database schema and migrations to align with the updated data model.

frontend/src/shared/lib/i18n.ts

@@ -294,7 +294,6 @@ const resources = {
           unpublished: 'Не опубликован',
           publishSaved: 'Настройки публикации сохранены.',
           displayName: 'Отображаемое имя',
-          maxClients: 'Лимит клиентов (необязательно)',
           allowedRoles: 'Доступно ролям',
           isPublishedLabel: 'Опубликовать инбаунд',
           optional: 'необязательно',
@@ -712,7 +711,6 @@ const resources = {
           unpublished: 'Not published',
           publishSaved: 'Publishing settings saved.',
           displayName: 'Display name',
-          maxClients: 'Client limit (optional)',
           allowedRoles: 'Allowed for roles',
           isPublishedLabel: 'Publish inbound',
           optional: 'optional',