mypy: Migrate some Callable[..., HttpResponse] to ViewFuncT in decorator.py.
mypy: Migrate some Callable[..., HttpResponse] to ViewFuncT in decorator.py.

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