Set the webapp height to match viewport instead of whatever it is now.

[wparad]

Feature request

The UI size is too big by a couple of pixels on every screen size. There's probably an extra padding or border somewhere that wasn't accounted for, but this is pretty annoying:

Debug info

Location: https://eu.posthog.com/project/29921/replay/recent?filters=%7B%22filter_test_accounts%22%3Afalse%2C%22date_from%22%3A%22-3d%22%2C%22date_to%22%3Anull%2C%22filter_group%22%3A%7B%22type%22%3A%22AND%22%2C%22values%22%3A%5B%7B%22type%22%3A%22AND%22%2C%22values%22%3A%5B%5D%7D%5D%7D%2C%22duration%22%3A%5B%7B%22type%22%3A%22recording%22%2C%22key%22%3A%22duration%22%2C%22value%22%3A1%2C%22operator%22%3A%22gt%22%7D%5D%7D&sessionRecordingId=0191787c-ad85-76c1-aeb4-b14426f72712
Session: https://us.posthog.com/project/sTMFPsFhdP1Ssg/replay/01917a8c-937c-7287-8a1b-c4ad7899d817?t=535
Admin: http://go/adminOrgEU/018dd268-2920-0000-c7b4-5401010695fc (project ID 29921)
Sentry: http://go/sentryEU/29921