Pam.qml holds the prompt text PAM asked for and separates "a response is
in flight" from "the conversation is open", so the UI stops treating an
open conversation as busy. The lock screen shows the prompt instead of a
hardcoded "Password", and clears the field when a new prompt arrives.
deprecation notice to plugin compatibility shims
- When qml-common became a thing, we left qs.Widgets shims in place for
plugin compatibility
- It's annoying to need to maintain them when qml-common has any change,
add a warning so we can safely deprecate them in the future
- One shot rename the common stuff to D to make it shorter and nicer to
write