Considering that love bites and power surge gives bonus spirit damage on your gun damage, it could make sense that it scales with weapon fall off. The only difference is that the proc on love bites can be built up from spirit damage from abilities. This would probably only affect her ult since...
Quicksilver reload does not always give full ammo when used on Mina's 1. When I've exhausted the 12 shots and then use the 1 immediately it sometimes leaves me with 10 or 8 ammo instead of the full 12. I've only tested this in the lobby area.