FIXES: #17039

Signed-off-by: Ry Jones <ry@linux.com>

* meteor update

* Use change-case from NPM

* Update @babel/runtime

* Flow annotations aren't supported anymore

* Remove unused packages

* Update less package

* Update package-lock

Co-authored-by: Maria Eduarda Cunha <42151808+mariaeduardacunha@users.noreply.github.com>
Co-authored-by: Tasso Evangelista <tasso.evangelista@rocket.chat>
Co-authored-by: gabriellsh <40830821+gabriellsh@users.noreply.github.com>
Co-authored-by: Gabriel Henriques <gabriel.henriques@rocket.chat>
Co-authored-by: Martin Schoeler <martin.schoeler@rocket.chat>

Co-authored-by: Diego Sampaio <chinello@gmail.com>

Co-authored-by: Marcos Spessatto Defendi <marcos.defendi@ulbra.inf.br>

* Add the ability to send livechat offline messages to channels.

* Improvements on the codebase.

- Add auto-complete to select the offline message channel
- Add translations to the offline message sent

* Add host origin.

* Add Web Site URL from where the message has been sent.

* Turn the host field mandatory.

* Check the host variable beforing adding it to the html content.

Co-authored-by: Marcos Spessatto Defendi <marcos.defendi@ulbra.inf.br>

* LingoHub Update 

Manual push by LingoHub User: Diego Sampaio.
Project: Rocket.Chat

Made with  by https://lingohub.com



* Apply suggestions from code review

* i18n variable improvents for Serbian

Co-authored-by: Diego Sampaio <chinello@gmail.com>

Replace deprecated X-FRAME-OPTIONS header by Content-Security-Policy.

Co-authored-by: Marcos Spessatto Defendi <marcos.defendi@ulbra.inf.br>

* App user as the default notifier

* Move changes to the apps-engine side

Co-authored-by: Douglas Gubert <d-gubert@users.noreply.github.com>

* Add livechat missing event handlers

* Rely on removeAgentFromSubscription

Co-authored-by: Renato Becker <renato.augusto.becker@gmail.com>
Co-authored-by: Douglas Gubert <douglas.gubert@gmail.com>

Co-authored-by: Guilherme Gazzo <guilhermegazzo@gmail.com>

Merge master into develop & Set version to 3.3.0-develop

Release 3.2.0

Release 3.1.2