In this case, the extension of the 
hairpin can be considered justified both musically (cf. the previous passages) and graphically – Chopin could have shortened the mark in A for it not to intersect the other elements of notation. Therefore, the version of the editions can be considered an acceptable variant.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Scope of dynamic hairpins, GE revisions
notation: Articulation, Accents, Hairpins