[FEAT] New Workspace Settings Layout (#718)

* WIP new settings layout

* add suggested messages to general & appearance and clean up/make more user friendly

* lazy load workspace settings pages

* css fix on X button for document picker where button is barely clickable

* remove additional workspace settings page

* fix thread selection action when on thread

* refactor inputs into sub-components
remove unused paths

---------

Co-authored-by: timothycarambat <rambat1010@gmail.com>