docs: Recommend user_id instead of email in typing javascript example.
docs: Recommend user_id instead of email in typing javascript example.

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