[view/explorer][xs]: show unknown when doc count unknown (rather than nothing).
[view/explorer][xs]: show unknown when doc count unknown (rather than nothing).

modulexcite/recline,acouch/recline,boban-dj/recline,acouch/recline,GerHobbelt/recline,maxogden/recline,beni55/recline,rjsteinert/recline,modulexcite/recline,okfn/recline,GerHobbelt/recline,NuCivic/recline.js,GerHobbelt/recline,acouch/recline,huangciyin/reclinejs-requirejs,gotjoshua/recline,NuCivic/recline.js,gotjoshua/recline,boban-dj/recline,rjsteinert/recline,beni55/recline,boban-dj/recline,okfn/recline,okfn/recline,modulexcite/recline,beni55/recline,gotjoshua/recline,maxogden/recline,huangciyin/reclinejs-requirejs,NuCivic/recline.js,rjsteinert/recline