rename stomach_bulge_grab -> grabbing_another's_stomach_bulge

BUR #57289 has been approved by @nonamethanks.

rename stomach_bulge_grab -> grabbing_another's_stomach_bulge
create implication grabbing_another's_stomach_bulge -> stomach_bulge

Could also be grabbing one's own.

BUR #57512 has been approved by @nonamethanks.

create implication grabbing_own_stomach_bulge -> stomach_bulge

Ended up creating this too.

The bulk update request #57289 (forum #428871) has been approved by @nonamethanks.

The bulk update request #57512 (forum #432310) has been approved by @nonamethanks.