css: Use SCSS nesting for `.stream-row`.
css: Use SCSS nesting for `.stream-row`.

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