Most of the recent cheap Shimano chainsets that still use square taper are for 122.5mm BBs, so likely fine with the one you've just installed unless you've got some very tight clearances or are at the end of front mech adjustment already, which I doubt.
Most of the recent cheap Shimano chainsets that still use square taper are for 122.5mm BBs, so likely fine with the one you've just installed unless you've got some very tight clearances or are at the end of front mech adjustment already, which I doubt.