minor: Use TOPIC_NAME constant for "subject" event.
minor: Use TOPIC_NAME constant for "subject" event.

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