Bug fix in fuse generator

[FaroutYLq]

Before this PR, we are somehow always simulating ER type in saltax when using fuse! The problem here is the missing recoil in generator_func.

This leads to the always-beta nest type:

vim 051911-0-flat-0.2_45-all-100.csv

event_number,type,time,x,y,z,amp,recoil,e_dep,tot_e,g4id,vol_id,local_field,n_excitons,x_pri,y_pri,z_pri
1,1,1681822424117999872,-46.468105,16.676464,-65.51044,287,8,5.1959395,0.0,0,0,21.985272256943297,31,0.0,0.0,0.0
1,2,1681822424117999872,-46.468105,16.676464,-65.51044,132,8,5.1959395,0.0,0,0,21.985272256943297,31,0.0,0.0,0.0
2,1,1681822424127999872,-36.150017,34.574623,-104.82069,595,8,12.245673,0.0,0,0,21.803115082164446,80,0.0,0.0,0.0
2,2,1681822424127999872,-36.150017,34.574623,-104.82069,270,8,12.245673,0.0,0,0,21.803115082164446,80,0.0,0.0,0.0