SOS-1996 fixing parameter namespace.
SOS-1996 fixing style
SOS-1952 Remove Sites menu fixed-width and transition animation
SOS-1930 Remove whitespace below Invite Members
SOS-2003 Fix mentions text size in mobile views
SOS-1997 Insert link to open site directory popup on mobile view
SOS-1997 Allow namespace parameter to be passed into the function for cases where the namespace has not been initialized
SOS-1997 Style site directory popup