Beam crosses clef
Steps to reproduce:
1. Insert an eighth note
1. Insert a mid-measure cleff for next note
3. Insert another eighth note
4. The beam will then connect both across the cleff even though it shouldn't.
Manually select beam of the note right after the courtesy cleff as a "Beam start"
Tested with both Musescore 3.2 and latest nightly as of writing this.
OS: Windows 10 (10.0), Arch.: x86_64, MuseScore version (64-bit): 126.96.36.19949, revision: 492d7ef
OS: Windows 10 (10.0), Arch.: x86_64, MuseScore version (64-bit): 188.8.131.5291, revision: 1385a0d
Image and sample score attached.