* Disable SSH key addition and deletion when externally managed
When a user has a login source which has SSH key management
key addition and deletion using the UI should be disabled.
Fix#13983
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Make only externally managed keys disabled
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>