mypy: Rewrite zulip_login_required annotations in terms of ViewFuncT.
mypy: Rewrite zulip_login_required annotations in terms of ViewFuncT.

zulip/zulip,shubhamdhama/zulip,jackrzhang/zulip,andersk/zulip,zulip/zulip,punchagan/zulip,jackrzhang/zulip,synicalsyntax/zulip,brainwane/zulip,hackerkid/zulip,timabbott/zulip,timabbott/zulip,kou/zulip,tommyip/zulip,timabbott/zulip,kou/zulip,showell/zulip,dhcrzf/zulip,zulip/zulip,timabbott/zulip,brainwane/zulip,zulip/zulip,hackerkid/zulip,zulip/zulip,kou/zulip,brainwane/zulip,synicalsyntax/zulip,dhcrzf/zulip,rht/zulip,synicalsyntax/zulip,rht/zulip,hackerkid/zulip,synicalsyntax/zulip,rht/zulip,tommyip/zulip,jackrzhang/zulip,andersk/zulip,punchagan/zulip,synicalsyntax/zulip,shubhamdhama/zulip,tommyip/zulip,andersk/zulip,kou/zulip,shubhamdhama/zulip,showell/zulip,brainwane/zulip,punchagan/zulip,shubhamdhama/zulip,showell/zulip,eeshangarg/zulip,kou/zulip,eeshangarg/zulip,dhcrzf/zulip,brainwane/zulip,punchagan/zulip,showell/zulip,rht/zulip,dhcrzf/zulip,andersk/zulip,rishig/zulip,rht/zulip,kou/zulip,jackrzhang/zulip,zulip/zulip,punchagan/zulip,dhcrzf/zulip,eeshangarg/zulip,zulip/zulip,brainwane/zulip,timabbott/zulip,rishig/zulip,synicalsyntax/zulip,tommyip/zulip,hackerkid/zulip,eeshangarg/zulip,showell/zulip,tommyip/zulip,dhcrzf/zulip,timabbott/zulip,showell/zulip,jackrzhang/zulip,rishig/zulip,rishig/zulip,shubhamdhama/zulip,brainwane/zulip,hackerkid/zulip,punchagan/zulip,eeshangarg/zulip,jackrzhang/zulip,tommyip/zulip,andersk/zulip,rht/zulip,hackerkid/zulip,rishig/zulip,rishig/zulip,andersk/zulip,eeshangarg/zulip,jackrzhang/zulip,shubhamdhama/zulip,hackerkid/zulip,andersk/zulip,dhcrzf/zulip,kou/zulip,eeshangarg/zulip,rht/zulip,rishig/zulip,timabbott/zulip,synicalsyntax/zulip,showell/zulip,tommyip/zulip,shubhamdhama/zulip,punchagan/zulip