settings: Update description for unread count setting.
settings: Update description for unread count setting.

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