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* MM-49564: Upsert in the Store vs App layer Refactor drafts so that Upserting a draft would happen in the DB and not in the app layer. * Fixes mocks * Fixes tests * Fixes translations * Fixes tests * Update tests * Fixes tests * Addresses review comments - renames Save => Upsert - removes Sleep from tests * Fixes flaky test --------- Co-authored-by: Mattermost Build <build@mattermost.com>