chore: Replace `cursor.count` with `countDocuments` or `estimatedDocumentCount` (#33693)

apps/meteor/app/api/server/v1/roles.ts

apps/meteor/app/authorization/server/methods/deleteRole.ts

.../importer-pending-avatars/server/PendingAvatarImporter.ts

apps/meteor/app/lib/server/functions/updateGroupDMsName.ts

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

apps/meteor/app/slashcommands-inviteall/server/server.ts

apps/meteor/ee/server/configuration/videoConference.ts

apps/meteor/server/methods/browseChannels.ts

apps/meteor/server/methods/removeRoomOwner.ts

apps/meteor/server/methods/removeUserFromRoom.ts

apps/meteor/server/methods/requestDataDownload.ts

apps/meteor/server/models/raw/ExportOperations.ts

apps/meteor/server/models/raw/Roles.ts

apps/meteor/server/models/raw/Rooms.ts

apps/meteor/server/models/raw/Subscriptions.ts

apps/meteor/server/models/raw/Users.js

apps/meteor/server/startup/initialData.js

apps/meteor/tests/unit/server/startup/initialData.tests.ts

packages/model-typings/src/models/IExportOperationsModel.ts

packages/model-typings/src/models/IRolesModel.ts