* add checks in the methods for checking if the data received in the parameters are in their correct type

* Put the checks in the start of the method and fixed some indentation

* no message

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Remove the "Click to open grain" text and make the title look like a
link.

Manual push by LingoHub User: Gabriel Engel.
Project: Rocket.Chat

Made with  by https://lingohub.com

* Fix scoped permission verification when no scope passed

* Refactor room settings

* Add room setting to require code to join

* Add role to disable/enable channel preview

* Add message to inform user

* moving from coffee to js

* renaming method

* Added view-d-room to guest role

So they can see direct messages.

* valueChanged optimization

valueChange checks if the text is rtl or ltr on every input, changed the method to check only the first input.

* Update startup.coffee

* Fixes pr #4049

fixes the value.lenght to value.length and used the this.value instead of the value in the parameter

* Update chatMessages.coffee

* Update startup.coffee

* Update startup.coffee

* Removing border-bottom

* Removing border-bottom

* remove shadow rom buttons

* move colours to the correct file

* removed side margins around buttons

Fixes #3987

- Adds a default style to buttons
- Remove <meta> tag from message