Ending catwalks/floors even with the real floor

[betsruner]

These are mad annoying. It would be mega ideal if either they were nonsolid or if the flooring just matched their height so people could stop stubbing their toes on them. One of two changes should happen

1. Create invisible flooring that is level with the catwalk that extends to the door so there is no lip to hit
2. Just make the catwalks nonsolid (the rails are actually playerclipped so that won't be a problem)
   This change is somewhat sketchy and will probably need to be sent out and tested to several people before it's actually in a release lol.