feat(livechat): hide or change logo (#31820)

.changeset/clean-cars-teach.md

apps/meteor/app/assets/server/assets.ts

apps/meteor/app/livechat/server/api/lib/livechat.ts

apps/meteor/app/livechat/server/lib/LivechatTyped.ts

apps/meteor/ee/app/livechat-enterprise/server/settings.ts

packages/core-typings/src/IRocketChatAssets.ts

packages/i18n/src/locales/en.i18n.json

packages/i18n/src/locales/pt-BR.i18n.json

packages/livechat/src/components/Screen/ChatButton.tsx

packages/livechat/src/components/Screen/ScreenProvider.tsx

packages/livechat/src/components/Screen/index.js

packages/livechat/src/store/index.tsx