This is somewhat related to this meta post which received no clear answer.
I recently tried to edit the accepted answer here by adding crucial information its writer wrote in the comments, but that was otherwise missing (this is a link to my suggested edit).
In my opinion, the original answer without the answerer's comment is somewhat unclear, and adding the additional information would contribute a lot to its clarity and usefulness. However, my edit was rejected for changing the original answer too much (in particular, changing its intent, which I don't think I did).
What should I do in such a case? Should the edit have been accepted? And if not, is it legitimate to write a new answer to the question that combines the other answer + the comments and together makes a better (in my opinion) answer than the currently accepted one?