Renderplaceholder (#4178)

* Render PlaceHolders for Server Recordings

Added PlaceHolders to the Server Recordings in the Admin Page

* Server Rooms PlaceHolders

Added placeholders to server rooms

* Updated color for server rooms placeholder

Updated color for server rooms placeholder by making it lighter

* Added Placeholders to manage users

Added placeholders to the manage users tab. Added isLoading parameter in VerifiedUsers.jsx to be used in ManageUsersTable.jsx

* Removed duplicated line

* PlaceHolder change

Updated email address and role placeholders to only have one as opposed to two