LPS-32473 replace ... by StringPool.TRIPLE_PERIOD
LPS-32473 replace "advanced options" by "advanced selection"
LPS-32473 replace "advanced options" by "advanced selection" (ant build-lang)
LPS-32473 copy from select_site
LPS-32473 copy from asset browser
LPS-32473 support for selecting and saving any site the user can manage
LPS-32473 make method public to reuse it (no logic changes)
LPS-32473 check permissions in the backend