components: Change cursor to pointer for checkbox labels.
components: Change cursor to pointer for checkbox labels.

Lets users know that they can toggle the checkbox by clicking the corresponding label.

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