enableObjectResizing no longer needed in Firefox

[johanneswilm]

Hey,
Firefox stopped requiring disabling controls five years ago [1]. So you are now able to remove one of your two last usages of document.execCommand. You may also want to remove the very last one.

[1] https://bugzilla.mozilla.org/show_bug.cgi?id=1490641

[afcapel]

Thanks for the pointer @johanneswilm, agreed it be nice to remove all execCommand altogether 👍