* Add variables for text colors
* Change variables in sass files
* Apply text color variables for recently added colors
* Fix text colors of emoji mart anchors
* Fix text colors of search__input
* Fix text colors of text area of compose-form
* Fix icon colors of privacy dropdown and modal
* Inverted icon colors by classname
* Change variables in boost.scss
* Change action-button-color
* Fix text colors of pre-header
