Put find options into collapsible pane
Put find options into collapsible pane

Reduce clutter during normal use. But don't do it on Windows, because
the Window implementation of wxCollapsiblePane looks, in a word,
horrible.

alexhenrie/poedit,BenKeyFSI/poedit,vslavik/poedit,vslavik/poedit,egoitzro/poedit,BenKeyFSI/poedit,dwaynebailey/poedit,egoitzro/poedit,PatidarWeb/poedit,alexhenrie/poedit,nawawi/poedit,babycaseny/poedit,dwaynebailey/poedit,PatidarWeb/poedit,babycaseny/poedit,PKRoma/poedit,nawawi/poedit,egoitzro/poedit,PKRoma/poedit,PatidarWeb/poedit,nawawi/poedit,alexhenrie/poedit,BenKeyFSI/poedit,huoxudong125/poedit,BenKeyFSI/poedit,egoitzro/poedit,nawawi/poedit,babycaseny/poedit,dwaynebailey/poedit,egoitzro/poedit,vslavik/poedit,alexhenrie/poedit,alexhenrie/poedit,huoxudong125/poedit,vslavik/poedit,c72578/poedit,c72578/poedit,huoxudong125/poedit,babycaseny/poedit,c72578/poedit,babycaseny/poedit,nawawi/poedit,BenKeyFSI/poedit,dwaynebailey/poedit,PKRoma/poedit,PKRoma/poedit,vslavik/poedit,PatidarWeb/poedit,PKRoma/poedit,huoxudong125/poedit,PatidarWeb/poedit,dwaynebailey/poedit,huoxudong125/poedit,c72578/poedit,c72578/poedit