refactor: UiKit surfaces and related stuff (#29955)

apps/meteor/client/UIKit/hooks/useUIKitHandleAction.tsx

apps/meteor/client/UIKit/hooks/useUIKitHandleClose.tsx

...eor/client/components/message/uikit/UiKitMessageBlock.tsx

...t/components/message/variants/room/RoomMessageContent.tsx

...mponents/message/variants/thread/ThreadMessageContent.tsx

apps/meteor/client/contexts/ActionManagerContext.ts

.../client/views/admin/moderation/helpers/ContextMessage.tsx

apps/meteor/client/views/banners/UiKitBanner.tsx

apps/meteor/client/views/modal/uikit/UiKitModal.tsx

...r/client/views/modal/uikit/hooks/useActionManagerState.ts

...nnel/contactHistory/MessageList/ContactHistoryMessage.tsx

apps/meteor/client/views/room/Room/Room.tsx

apps/meteor/client/views/room/contextualBar/Apps/Apps.tsx

apps/meteor/client/views/room/contextualBar/Apps/index.ts

...ent/views/room/contextualBar/uikit/UiKitContextualBar.tsx

packages/fuselage-ui-kit/src/blocks/ActionsBlock.tsx

packages/fuselage-ui-kit/src/blocks/ImageBlock.tsx

.../src/blocks/VideoConferenceBlock/VideoConferenceBlock.tsx

packages/fuselage-ui-kit/src/contexts/SurfaceContext.ts

packages/fuselage-ui-kit/src/contexts/UiKitContext.ts