Geometry camera options don't trigger scene rendering

[antoine-galataud]

Issue overview

Geometry preview isn't automatically rendering when Camera options are changed.

Reported in #579

Current Behavior

When you click on any Camera option in the right menu, scene rendering doesn't kick in. This concerns all options: orthographic view, X, Y, & Z views, and reset.

Expected Behavior

When clicked, the scene should be re-rendered and show up using the requested option.