Adds some air alarms in mining areas. Includes a few more on station.

Adds an APC to the port aft engineering maintenance, was missing after the addition of drone central.
Adds missing button to close the Xenobiology emergency shutters.
Removes completely unnecessary bits of cable by the virology entrance. Seems to have led to an APC but one already exists in the area.
Merge remote-tracking branch 'upstream/dev' into Minor
Merge pull request #5129 from PsiOmegaDelta/MiningAndMisc

Mining air alarms with bonus