Bug Fixes/Improvements

• Improve some connector modules
• Set a more reasonable default quality (medium)
• Fix for some ceiling props incorrectly positioned
• Minor SFX level adjustments
• Fix for visible gap in flooded junction tunnel connector
• Beefier SFX for crate smash (also applies to tutorial plank barrier)
• Fix for some rats throwing exception every frame
• Fix for missing upgrade altar condition (was possible to use altar with no melee weapon and no gems)