Add get_user_for_mgmt function.
Add get_user_for_mgmt function.

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