compose: Fix missing opts argument to show_box.
compose: Fix missing opts argument to show_box.

This fixes a regression in the recent compose.get_focus_area
refactoring that I did.

j831/zulip,tommyip/zulip,hackerkid/zulip,ryanbackman/zulip,jainayush975/zulip,brainwane/zulip,shubhamdhama/zulip,shubhamdhama/zulip,rishig/zulip,jphilipsen05/zulip,jackrzhang/zulip,rishig/zulip,dhcrzf/zulip,tommyip/zulip,timabbott/zulip,rht/zulip,punchagan/zulip,showell/zulip,tommyip/zulip,brockwhittaker/zulip,j831/zulip,jphilipsen05/zulip,zulip/zulip,hackerkid/zulip,punchagan/zulip,mahim97/zulip,rht/zulip,ryanbackman/zulip,jainayush975/zulip,zulip/zulip,vaidap/zulip,timabbott/zulip,andersk/zulip,punchagan/zulip,jackrzhang/zulip,rishig/zulip,brainwane/zulip,zulip/zulip,jphilipsen05/zulip,amanharitsh123/zulip,eeshangarg/zulip,synicalsyntax/zulip,rishig/zulip,christi3k/zulip,j831/zulip,punchagan/zulip,verma-varsha/zulip,dhcrzf/zulip,andersk/zulip,synicalsyntax/zulip,brainwane/zulip,christi3k/zulip,showell/zulip,amanharitsh123/zulip,amanharitsh123/zulip,shubhamdhama/zulip,brockwhittaker/zulip,jackrzhang/zulip,showell/zulip,jainayush975/zulip,eeshangarg/zulip,punchagan/zulip,vabs22/zulip,jrowan/zulip,jainayush975/zulip,brainwane/zulip,SmartPeople/zulip,amanharitsh123/zulip,eeshangarg/zulip,rishig/zulip,jphilipsen05/zulip,timabbott/zulip,hackerkid/zulip,j831/zulip,christi3k/zulip,jainayush975/zulip,jrowan/zulip,kou/zulip,ryanbackman/zulip,kou/zulip,andersk/zulip,shubhamdhama/zulip,eeshangarg/zulip,punchagan/zulip,tommyip/zulip,mahim97/zulip,Galexrt/zulip,andersk/zulip,ryanbackman/zulip,verma-varsha/zulip,dhcrzf/zulip,rishig/zulip,timabbott/zulip,dhcrzf/zulip,jrowan/zulip,Galexrt/zulip,vabs22/zulip,kou/zulip,dhcrzf/zulip,SmartPeople/zulip,showell/zulip,ryanbackman/zulip,jackrzhang/zulip,vabs22/zulip,vaidap/zulip,Galexrt/zulip,jainayush975/zulip,zulip/zulip,ryanbackman/zulip,vaidap/zulip,rht/zulip,timabbott/zulip,zulip/zulip,rht/zulip,synicalsyntax/zulip,shubhamdhama/zulip,j831/zulip,mahim97/zulip,christi3k/zulip,eeshangarg/zulip,SmartPeople/zulip,rishig/zulip,shubhamdhama/zulip,vaidap/zulip,christi3k/zulip,kou/zulip,Galexrt/zulip,zulip/zulip,tommyip/zulip,brainwane/zulip,jackrzhang/zulip,vaidap/zulip,SmartPeople/zulip,timabbott/zulip,j831/zulip,showell/zulip,jrowan/zulip,mahim97/zulip,andersk/zulip,brockwhittaker/zulip,eeshangarg/zulip,rht/zulip,vabs22/zulip,jackrzhang/zulip,showell/zulip,SmartPeople/zulip,synicalsyntax/zulip,Galexrt/zulip,Galexrt/zulip,brainwane/zulip,jphilipsen05/zulip,zulip/zulip,rht/zulip,mahim97/zulip,kou/zulip,rht/zulip,vabs22/zulip,christi3k/zulip,brockwhittaker/zulip,synicalsyntax/zulip,jrowan/zulip,amanharitsh123/zulip,jrowan/zulip,hackerkid/zulip,verma-varsha/zulip,vabs22/zulip,synicalsyntax/zulip,dhcrzf/zulip,verma-varsha/zulip,Galexrt/zulip,dhcrzf/zulip,vaidap/zulip,kou/zulip,hackerkid/zulip,showell/zulip,timabbott/zulip,andersk/zulip,brockwhittaker/zulip,brainwane/zulip,andersk/zulip,eeshangarg/zulip,kou/zulip,hackerkid/zulip,mahim97/zulip,verma-varsha/zulip,verma-varsha/zulip,tommyip/zulip,shubhamdhama/zulip,jphilipsen05/zulip,amanharitsh123/zulip,jackrzhang/zulip,synicalsyntax/zulip,punchagan/zulip,tommyip/zulip,SmartPeople/zulip,brockwhittaker/zulip,hackerkid/zulip