when "sudo" is not installed and user tries to save file with lack of permissions, instead of logging error program writes saved

[demetrebadzaradze]

Problem

when opening a file with micro with lack of permissions, upon saving application uses sudo to save the file successfully, but on systems where sudo is not installed like debian this fails to save and instead of logging that message it logs file saved.

NOTE: Instead it could just say that sudo is not present or something and tell user to use su

[JoeKar]

Sounds like you're using a micro version <= v2.0.14, right?
This should already been solved as part of #3273 and will be carried out with v2.0.15