Fire alarm fixes

* Fixes fire alarm not showing blinking red light when activated. Fixes #4382
* Fixes security level light on fire alarm to be off when alarm is off/broken/missing components.
* Fire alarms in the same area now all blink red if the alarm in the area is activated, not just the specific alarm who was activated.
* Disassembling a broken fire alarm doesn't drop a circuit now, you "remove the destroyed circuit."
* Reducing the number of icons used, using overlays for all fire alarm lights. Fixing sprite inconsistency (fire alarm_frame's red border is no longer brighter than unpowered fire alarm's border)