refactor: remove Promise.await (#28483)

...teor/app/authorization/server/functions/canSendMessage.ts

apps/meteor/app/lib/server/methods/deleteUserOwnAccount.ts

apps/meteor/app/livechat/imports/server/rest/users.ts

apps/meteor/app/livechat/server/lib/Livechat.js

apps/meteor/app/message-pin/server/pinMessage.ts

apps/meteor/app/message-star/server/starMessage.ts

.../app/livechat-enterprise/server/lib/LivechatEnterprise.js

...ivechat-enterprise/server/lib/VisitorInactivityMonitor.ts

apps/meteor/ee/server/api/roles.ts

apps/meteor/ee/server/lib/audit/startup.ts

apps/meteor/ee/server/lib/roles/insertRole.ts

apps/meteor/ee/server/lib/roles/updateRole.ts

apps/meteor/ee/server/startup/audit.ts

apps/meteor/server/lib/roles/removeUserFromRoles.ts

apps/meteor/server/methods/addRoomLeader.js

apps/meteor/server/methods/addRoomModerator.js

apps/meteor/server/methods/addRoomOwner.js

apps/meteor/server/methods/eraseRoom.ts

apps/meteor/server/methods/messageSearch.ts

apps/meteor/server/methods/removeRoomLeader.js