Hi,
It looks like this is a bug that was fixed in b3b3b11960962e9c08c709df77b3197d8cf72ee3 (https://gerrit.wikimedia.org/r/#/c/163636/ / https://phabricator.wikimedia.org/T73418).
Unfortunately the older branches of VisualEditor are not really maintained; it is still beta software. But it seems like the patch cherry-picks cleanly on REL1_24 (although I haven't tested it):
(assuming you're in mediawiki/extensions/VisualEditor repository root) git checkout REL1_24 git submodule update cd lib/ve git cherry-pick b3b3b11960962e9c08c709df77b3197d8cf72ee3 cd ../.. git commit -am "LOCAL HACK: Cherry-pick fix for T73418"