updates grill sprites to tile better
forgot broken grille oops
oops forgot the broken grill
changes it to be black again, looks much much better than lighter colors
Grill sprites updated based on https://tgstation13.org/phpBB/viewtopic.php?f=10&t=2058
Glass sprites updated based on https://tgstation13.org/phpBB/viewtopic.php?f=10&t=2010&p=45262#p45262
Merge pull request #5978 from Intigracy/grillsprites

Updates grill sprites to tile better, fixes standard window looking like complete ass