Resolves https://github.com/webrecorder/browsertrix/issues/438
<!-- Fixes #issue_number -->
### Changes
- Layout and design pass on profile detail view to better match other
detail views
- Ensures profile save buttons are always visible when creating or
editing a profile
- Handle temporarily disconnected browser pings
- Enable recreating browser after it expires
- Show confirmation dialog when attempting to navigate away from active
browser
- Tweak copy referencing profiles
- Refactors `profile-browser` into `TailwindComponent`
### Follow-ups
UX improvements to the browser profile detail layout and list view will
be handled in https://github.com/webrecorder/browsertrix/issues/1816
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Co-authored-by: Ilya Kreymer <ikreymer@users.noreply.github.com>
Co-authored-by: Emma Segal-Grossman <hi@emma.cafe>
Co-authored-by: Henry Wilkinson <henry@wilkinson.graphics>
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