refactor(Meteor.user): Remove all occurrences (#28647)

apps/meteor/app/2fa/client/TOTPOAuth.js

apps/meteor/app/2fa/client/TOTPPassword.js

apps/meteor/app/2fa/client/overrideMeteorCall.ts

apps/meteor/app/authentication/server/startup/index.js

apps/meteor/app/autotranslate/client/lib/autotranslate.ts

apps/meteor/app/lib/client/methods/sendMessage.ts

apps/meteor/app/lib/server/functions/saveUser.js

apps/meteor/app/models/client/index.ts

apps/meteor/app/otr/client/OTRRoom.ts

apps/meteor/app/reactions/client/methods/setReaction.ts

apps/meteor/app/ui/client/lib/KonchatNotification.ts

apps/meteor/app/ui/client/lib/UserAction.ts

apps/meteor/app/utils/client/lib/RestApiClient.ts

apps/meteor/app/utils/server/functions/safeGetMeteorUser.ts

apps/meteor/client/lib/2fa/overrideLoginMethod.ts

apps/meteor/client/lib/2fa/process2faReturn.ts

apps/meteor/client/startup/iframeCommands.ts

...teor/client/startup/notifications/konchatNotifications.ts

apps/meteor/client/startup/reloadRoomAfterLogin.ts

apps/meteor/client/startup/routes.tsx