css: Use SCSS nesting for `.subscriptions-container`.
css: Use SCSS nesting for `.subscriptions-container`.

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