feat(desktop): browser profiles for the preview browser#7254

fix(desktop): keep lone-surrogate scopes in distinct browser partitions

fix(web): keep the default-profile popup at least as wide as its trigger

fix(web): actually truncate long names in the default-profile picker

fix(web): keep long profile names from stretching the default-profile picker

fix(web): wait for settings before profile writes

fix(web): expose unavailable profile removal reason

fix(desktop): encode browser profile scopes safely

fix(web): disable unavailable profile removal

fix(web): disable cancel during profile removal

fix(web): group browser submenu affordances

fix(desktop): isolate browser profile partitions

fix(web): identify tabs from removed profiles

fix(web): update browser profiles from current settings

fix(web): clear profiles from every environment

fix(web): keep profiles when cleanup fails

fix(web): open browser profiles on touch

fix(web): show browser panel shortcut

fix(web): hydrate preview open defaults

style(web): format hosted browser webview

fix(web): theme profile badge tooltip

fix(desktop): avoid browser partition scope collisions

fix(web): clear the partition a legacy tab actually runs in

fix(web): make each profile its own row, and truncate the menu heading

fix(web): keep profile names from stretching the menus

fix(web): dim only the row content that has no disabled state of its own

fix(web): dim the profile list with the rest of the desktop-only block

fix(web): give the profile badge a real ellipsis

fix(web): keep the profile chrome from crowding its neighbours

fix(web): clear the profile the menu names, and only that profile

feat(web): show which profile a browser tab is running in

fix(web): give menu submenu triggers the same cursor as menu items

fix(web): repair the Browser surface card and collapse the profile menu row

feat(web): open browser tabs in a chosen profile

feat(web): manage browser profiles from Settings → Integrations

feat(desktop): partition preview browsers by profile