adding CoolDown to welding repair on bot/borg/mecha

Now eye prot needed to repair bot/borg (just like with mecha)
fix bug where you're repairing despite weldingtool being off
Fixes the amount of fuel used per repair to 1 for bot/borg/mecha
Adding message when not enough fuel during borg/mecha repair.
Fuel not used when repair attempt on borg/mecha is canceled (no damage or welder off).
For bot/borg/mecha, now using notice span class for all repair messages and visible message instead of << . All cancel messages uses warning span class.