If the laths are still intact and haven't been cut when the work was carried out then this is a pretty good way to make a quick and dirty semi permanent repair:
If the laths have been cut then you have 2 choices:
Strip back to the studwork, board it out and then either tape and joint or skim the wall.
Try to get a small piece of timber behind the laths that have been cut that bridges between the nearest uncut ones and all of the cut ones and get a screw in each one then fill as per video.
If the laths are still intact and haven't been cut when the work was carried out then this is a pretty good way to make a quick and dirty semi permanent repair:
https://youtu.be/qZojl5Gv8ZE
If the laths have been cut then you have 2 choices: