[Sprites] New and Improved Medbay Computer sprites

Created by: DeityLink

• The Disease Splicer now has its own sprite, was previously using the Crew Monitoring Computer sprite.
• The Operating Computer's sprite now updates depending on whether there is someone on the operating table, and whether that person is alive or dead.
• New sprite for the Cloning Computer, which updates when there is someone in the DNA Scanner or the Cloning Pod.
• The Xenoarchaeology machines now use the "analyser_processing" sprite when they process samples.