streams-modal: Fix styling around stream accessibility option.
streams-modal: Fix styling around stream accessibility option.

This fixes the faulty spacing around the various icons in
stream accessibility option under the create new stream modal. This
regression was introduced in 7e71bf.

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