When the groups feature is enabled, use the new top bar design
from https://trello.com/c/DZEDxU4C/90-top-bar-ui-updates :

 [Group selector    ] [Search][Sort][Share][Account]

 * Align the left/right edges of the top-bar content
   with the content below.

 * Use a placeholder icon for the account menu for the moment.
   It will be replaced with an appropriate SVG when available.