factor out currentAssessment navbar into setNavbarFor{Test,TInstance}
factor out currentAssessment navbar into setNavbarFor{Test,TInstance}

jakebailey/PrairieLearn,lotrfan/PrairieLearn,jakebailey/PrairieLearn,tbretl/PrairieLearn,lotrfan/PrairieLearn,parasgithub/PrairieLearn,rbessick5/PrairieLearn,kevinwang/PrairieLearn,tbretl/PrairieLearn,kevinwang/PrairieLearn,jakebailey/PrairieLearn,tbretl/PrairieLearn,mwest1066/PrairieLearn,PrairieLearn/PrairieLearnHack,kevinwang/PrairieLearn,kevinwang/PrairieLearn,tbretl/PrairieLearn,mwest1066/PrairieLearn,PrairieLearn/PrairieLearnHack,rbessick5/PrairieLearn,rbessick5/PrairieLearn,mwest1066/PrairieLearn,PrairieLearn/PrairieLearnHack,lotrfan/PrairieLearn,mwest1066/PrairieLearn,kevinwang/PrairieLearn,lotrfan/PrairieLearn,parasgithub/PrairieLearn,tbretl/PrairieLearn,PrairieLearn/PrairieLearnHack,PrairieLearn/PrairieLearnHack,PrairieLearn/PrairieLearnHack,rbessick5/PrairieLearn,parasgithub/PrairieLearn,mwest1066/PrairieLearn,parasgithub/PrairieLearn,kevinwang/PrairieLearn,PrairieLearn/PrairieLearnHack,lotrfan/PrairieLearn,lotrfan/PrairieLearn,parasgithub/PrairieLearn,rbessick5/PrairieLearn,kevinwang/PrairieLearn,PrairieLearn/PrairieLearnHack,jakebailey/PrairieLearn,lotrfan/PrairieLearn