voting_widget: Minor refactor of jquery elements selectors.
voting_widget: Minor refactor of jquery elements selectors.

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