chore: Omnichannel Empty State Improvements (#29815)

...r/client/components/GenericNoResults/GenericNoResults.tsx

.../client/views/omnichannel/agents/AgentsTable/AddAgent.tsx

...ient/views/omnichannel/agents/AgentsTable/AgentsTable.tsx

...ient/views/omnichannel/currentChats/CurrentChatsRoute.tsx

...t/views/omnichannel/currentChats/hooks/useCurrentChats.ts

...lient/views/omnichannel/customFields/CustomFieldsPage.tsx

...ient/views/omnichannel/customFields/CustomFieldsTable.tsx

.../client/views/omnichannel/departments/DepartmentsPage.tsx

...channel/departments/DepartmentsTable/DepartmentsTable.tsx

...ient/views/omnichannel/directory/ContactContextualBar.tsx

...or/client/views/omnichannel/directory/calls/CallTable.tsx

...or/client/views/omnichannel/directory/chats/ChatTable.tsx

...ent/views/omnichannel/directory/contacts/ContactTable.tsx

apps/meteor/client/views/omnichannel/managers/AddManager.tsx

...eteor/client/views/omnichannel/managers/ManagersTable.tsx

...meteor/client/views/omnichannel/triggers/TriggersPage.tsx

...eteor/client/views/omnichannel/triggers/TriggersTable.tsx

...lient/omnichannel/cannedResponses/CannedResponsesPage.tsx

...ient/omnichannel/cannedResponses/CannedResponsesTable.tsx

...modals/CreateCannedResponse/CreateCannedResponseModal.tsx