[fix] before_action :x_sendfile condition for #1070 (#1073)
[fix] before_action :x_sendfile condition for #1070 (#1073)

* [fix] restore before_action :x_sendfile condition for #1070

* [fix] x_sendfile condition

* [fix] space

MasakiInaya/shirasagi,bee01/shirasagi,t-wata-cldt/shirasagi,shirasagi/shirasagi,toyodundy/shirasagi,hotmix/shirasagi,tany/ss,hotmix/shirasagi,bee01/shirasagi,hotmix/shirasagi,t-wata-cldt/shirasagi,shirasagi/shirasagi,ShinjiTanimoto/shirasagi,bee01/shirasagi,shirasagi/ss-handson,itowtips/shirasagi,mizoki/shirasagi,ShinjiTanimoto/shirasagi,toyodundy/shirasagi,itowtips/shirasagi,shirasagi/ss-handson,masakiooba/shirasagi-1,toyodundy/shirasagi,shirasagi/ss-handson,ShinjiTanimoto/shirasagi,masakiooba/shirasagi-1,MasakiInaya/shirasagi,itowtips/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,masakiooba/shirasagi-1,tany/ss,MasakiInaya/shirasagi,sunny4381/shirasagi,itowtips/shirasagi,ShinjiTanimoto/shirasagi,mizoki/shirasagi,shirasagi/ss-handson,t-wata-cldt/shirasagi,hotmix/shirasagi,MasakiInaya/shirasagi,tany/ss,sunny4381/shirasagi,mizoki/shirasagi,sunny4381/shirasagi,t-wata-cldt/shirasagi,masakiooba/shirasagi-1,toyodundy/shirasagi,shirasagi/shirasagi,bee01/shirasagi,mizoki/shirasagi,tany/ss