onboarding: Fix error-password overlap bug
onboarding: Fix error-password overlap bug

Apply appropriate spacing between password field and error message.

Fixes: #7796.

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