user status: Add a maxlength to the input field.
user status: Add a maxlength to the input field.

This avoids an annoying bug where trying to save a too-long status
makes the save button appear to do nothing.

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