Revert "Merge pull request #618 from uProxy/mling-sanitize-inputs"

This reverts commit e78317fe17103a7ea434b50f0a0ff88d751e4498, reversing
changes made to 242a7e3d6e6701a06d0739a913aac7032442e82e.
Merge pull request #666 from uProxy/lucyhe-isolated_popup

Make UI a "toast".
Merge pull request #670 from uProxy/firewall-rollback

Revert "Merge pull request #618 from uProxy/mling-sanitize-inputs"
Move get/share selection to welcome overlay
Merge pull request #672 from uProxy/dborkan-onboarding

Move get/share selection to welcome overlay
Merge remote-tracking branch 'origin/dev' into lucyhe-app_missing_popup