RouteDetail+DrawerVC reloading cells

[Omarrasheed]

Steps to reproduce (This sometimes works as expected and sometimes produces the bug):

1. Open a route that has a bus that goes through several stops (to at least show one cell that has the expand button)
2. Expand that cell while in the partiallyRevealed state
3. Swipe to make the drawer transition to the collapsed state
4. Bring it back up to the partiallyRevealed state
5. Expand that same cell

Bug:

Although the cell was previously expanded and showing the stops between the start and stop direction of the bus route, the cell will proceed to expand once more and duplicate all bus stops in that range

[Omarrasheed]

Closing because fixed with #278