In rows that have a "Copy" button that is set as activatable
widget, Orca doesn't the buttons a11y label/tooltip; instead,
it reads "[row title] push button".
To fix this, don't set these buttons as activatable widgets.
When copying the login command, a toast appear
saying "Command copied". However, these kind of toasts
usually says that the text was copied *to the clipboard*,
like the toast from System > About > System Details > Copy.
As the user facing name of this setting changed to "Secure Shell",
let's change its internal name to match it.
This avoids confusion with the Remote Desktop "Remote Session" setting,
which is now named "Remote Login" in the UI and should get its code
renamed to follow that consistently.
