Leading Bass Clef changes to Treble clef when displaying Multimeasure Rests

Here's an example when not displaying multimeasure rests:

Here's an example when displaying multimeasure rests:

When I created the new score I enter the Title and Composer information in the first screen of the New Score Wizard. On the second screen I select Jazz>Jazz Lead Sheet. On the 3rd screen I select the key of D/Bminor. On the last screen I choose 4/4 and no Pickup Measure.

For now I'm going to make that treble clef invisible and then draw a bass clef in by hand. Is it possible to manually put in a bass clef in place of the invisible treble clef as a workaround?

I also can't figure out why it's showing this courtesy key signature on bar 17 when displaying multimeasure rests:

It doesn't show it when not displaying multimeasure rests.

I'm wondering if this could be related to using the Jazz Lead Sheet. Maybe I'll try not using it and report back.

I'm using v. 3.0.4.5763 on Windows 7 (updated).

Musescore is super awesome!