Map application height on mobile

[vitale232]

The height on mobile Chrome seems to be messed up, which means you can't see any snackbars and the scrolling is strange.

Here's an article regarding mobile height with consideration of the movable URL bar:
https://developers.google.com/web/updates/2016/12/url-bar-resizing

We also probably need to use fxLayout to render the mobile navbar differently. The <span> element that contains the page title takes up too much space.