todo widget: Avoid completed/pending complexity.
todo widget: Avoid completed/pending complexity.

We now only compute these two sublists when we
need them, rather than having to splice and
unshift them every time.

timabbott/zulip,showell/zulip,timabbott/zulip,kou/zulip,showell/zulip,andersk/zulip,eeshangarg/zulip,hackerkid/zulip,eeshangarg/zulip,shubhamdhama/zulip,andersk/zulip,shubhamdhama/zulip,brainwane/zulip,timabbott/zulip,kou/zulip,rht/zulip,brainwane/zulip,punchagan/zulip,eeshangarg/zulip,brainwane/zulip,rht/zulip,timabbott/zulip,kou/zulip,showell/zulip,eeshangarg/zulip,zulip/zulip,zulip/zulip,shubhamdhama/zulip,timabbott/zulip,brainwane/zulip,rht/zulip,andersk/zulip,punchagan/zulip,punchagan/zulip,andersk/zulip,punchagan/zulip,andersk/zulip,timabbott/zulip,brainwane/zulip,shubhamdhama/zulip,shubhamdhama/zulip,punchagan/zulip,showell/zulip,hackerkid/zulip,showell/zulip,eeshangarg/zulip,andersk/zulip,rht/zulip,punchagan/zulip,kou/zulip,hackerkid/zulip,zulip/zulip,synicalsyntax/zulip,synicalsyntax/zulip,shubhamdhama/zulip,hackerkid/zulip,hackerkid/zulip,eeshangarg/zulip,hackerkid/zulip,synicalsyntax/zulip,showell/zulip,synicalsyntax/zulip,rht/zulip,synicalsyntax/zulip,timabbott/zulip,zulip/zulip,kou/zulip,zulip/zulip,kou/zulip,synicalsyntax/zulip,brainwane/zulip,andersk/zulip,synicalsyntax/zulip,zulip/zulip,eeshangarg/zulip,showell/zulip,hackerkid/zulip,zulip/zulip,rht/zulip,shubhamdhama/zulip,kou/zulip,punchagan/zulip,brainwane/zulip,rht/zulip