* MM-19250 add endpoint to retrieve command by id
* endpoint
* client
* unit tests
* MM-19250 update comment; remove redundant unit test
* MM-19250 rename GetCommand to GetCommandById
* MM-19250 don't filter on autocomplete flag
* MM-19250: require team_id when using GetCommandById
* team_id added to endpoint query string for GET
* unit test to check for mismatch teamid param and command teamid
* Revert "MM-19250: require team_id when using GetCommandById"
This reverts commit ed78e27964.
* MM-19250 don't leak existence of id when user doesn't have perms
* return 404 not_found when id not found
* return 404 not_found when id exists but user missing perms to view team
* return 404 not_found when id exists but user missing perms to manage commands
* MM-19250 fix typos in comments
Co-authored-by: mattermod <mattermod@users.noreply.github.com>
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