"Reset Beam Mode" feature- unexpected result

I'm in the process of changing the vocal lines in my scores from "old-school" beaming (vocal line notes not beamed unless on a melisma) to contemporary practice (vocal notes beamed the same as instruments).
MuseScore 2.02, Windows 10 PC

Process- In the attached score, be aware that I deliberately un-beamed the Harp notes at measure 32 for purposes of showing this issue.
1. Open the score, select Lauretta's first measure (on page 2), CTRL+SHIFT+END to select the entire part. The display shifts to the last page.
2. From the pulldown menu, Layout > Reset Beam Mode.
Expected result- only the vocal line (measure 31, for example) resets the beaming.
Actual result- the harp in measure 32 also resets the beaming.

If you experiment, you'll see that all measures with the same measure number(s) as those selected reset the beaming. For instance, select *only* measure 31 of the vocal line, reset beaming, and see that measure 32 of the harp is *not* affected. Or, select measure 32 of the C-bass part, reset beaming, and see that harp measure 32 *is* affected.

I have a lot of scores to change, and would hate for any instrumental parts that I may have un-beamed to also be changed. 99.999% of the instrument beams are already at the MuseScore default, but I can't be sure that a few weren't manually un-beamed (for instance, to reflect a temporary change in rhythm or a syncopation).
If the feature worked as expected (only the selected measures were reset), it would only be a few seconds per score to make the change.

Thanks,