chore: Add eslint `react-jsx-key` rule on client (#29581)

apps/meteor/client/.eslintrc.json

apps/meteor/client/components/CustomFieldsForm.js

apps/meteor/client/components/message/hooks/useCollapse.tsx

...lient/views/admin/federationDashboard/OverviewSection.tsx

...t/views/admin/settings/groups/voip/VoipExtensionsPage.tsx

...lient/views/omnichannel/currentChats/CustomFieldsList.tsx

.../omnichannel/realTimeMonitoring/RealTimeMonitoringPage.js

...ews/room/Header/Omnichannel/QuickActions/QuickActions.tsx

apps/meteor/client/views/room/Header/ToolBox/ToolBox.tsx

...views/room/contextualBar/RoomFiles/components/FileItem.js

apps/meteor/client/views/room/lib/Toolbox/index.tsx

...channel/additionalForms/BusinessHoursMultiple.stories.tsx

apps/meteor/server/lib/rooms/roomTypes/direct.ts