decorator: Set the user_activity query in another case.
decorator: Set the user_activity query in another case.

Now that this is a little less mysterious-looking to do,
let's do it in this spot too.

kou/zulip,zulip/zulip,hackerkid/zulip,synicalsyntax/zulip,kou/zulip,mahim97/zulip,hackerkid/zulip,rht/zulip,showell/zulip,shubhamdhama/zulip,tommyip/zulip,hackerkid/zulip,rht/zulip,mahim97/zulip,dhcrzf/zulip,shubhamdhama/zulip,synicalsyntax/zulip,brainwane/zulip,showell/zulip,shubhamdhama/zulip,kou/zulip,kou/zulip,zulip/zulip,synicalsyntax/zulip,dhcrzf/zulip,andersk/zulip,punchagan/zulip,shubhamdhama/zulip,tommyip/zulip,zulip/zulip,rht/zulip,rht/zulip,timabbott/zulip,brainwane/zulip,eeshangarg/zulip,tommyip/zulip,andersk/zulip,timabbott/zulip,dhcrzf/zulip,timabbott/zulip,timabbott/zulip,eeshangarg/zulip,tommyip/zulip,eeshangarg/zulip,rishig/zulip,jackrzhang/zulip,punchagan/zulip,tommyip/zulip,jackrzhang/zulip,rishig/zulip,jackrzhang/zulip,andersk/zulip,hackerkid/zulip,timabbott/zulip,synicalsyntax/zulip,shubhamdhama/zulip,rishig/zulip,rishig/zulip,rht/zulip,hackerkid/zulip,rishig/zulip,jackrzhang/zulip,rishig/zulip,dhcrzf/zulip,rht/zulip,dhcrzf/zulip,kou/zulip,brainwane/zulip,jackrzhang/zulip,jackrzhang/zulip,shubhamdhama/zulip,timabbott/zulip,brainwane/zulip,punchagan/zulip,eeshangarg/zulip,brainwane/zulip,hackerkid/zulip,zulip/zulip,dhcrzf/zulip,zulip/zulip,mahim97/zulip,zulip/zulip,rht/zulip,punchagan/zulip,showell/zulip,rishig/zulip,zulip/zulip,punchagan/zulip,andersk/zulip,synicalsyntax/zulip,andersk/zulip,showell/zulip,tommyip/zulip,brainwane/zulip,eeshangarg/zulip,mahim97/zulip,shubhamdhama/zulip,andersk/zulip,punchagan/zulip,synicalsyntax/zulip,timabbott/zulip,brainwane/zulip,mahim97/zulip,showell/zulip,showell/zulip,eeshangarg/zulip,punchagan/zulip,hackerkid/zulip,eeshangarg/zulip,synicalsyntax/zulip,tommyip/zulip,showell/zulip,kou/zulip,dhcrzf/zulip,kou/zulip,andersk/zulip,jackrzhang/zulip,mahim97/zulip