refactor: Extract compose.do_post_send_tasks().
refactor: Extract compose.do_post_send_tasks().

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