Solars + Glass Fixes 2 : Really Delayed Boogalo

Created by: clusterfack

Fixes #2628 (closed) - Makes unachored assemblies not dense so they can be stored in crates. Fixes #2551 (closed) - Robotize wont get you stuck inside objects anymore So the features of this pull -Glass doesn't stack on stacks of different types -Welding shards cant be exploited for more glass than it should give -Solars can be properly constructed/deconstructed -Everything I had in my other pull in this one too