0.5.7. Fixes — Transporter Steam update #691178

Thought this would be just a quick hotfix update, but it turned out to be a whole thing... FIXES -Fixed error with changing station connections while vehicle is waiting in station. -Fixed road connection issue if smaller road is connected between road tile and road spline. -Fixed error when deleting road tile that is connected to multiple roads. -Fixed several issues with connecting multiple roads. -Fixed random error from placing road stop in a certain configuration. -Fixed few issues with road stop on multi-lane road. -Fixed issue with train switching if station widget is still open. -Fixed multi-trailer loading in a designated loading station. -Fixed cargo selection option not showing up in the switching window. -Fixed road bridge sometimes not loading meshes correctly after a reload. -Fixed issue with track snap option flip-flopping around and general track snapping improvements. -Fi...