Beams do not export to MusicXML as rendered in MuseScore

Issue type

Import/export issue

Description with steps to reproduce

1. Create any score containing the beamings shown in the image
2. Export as uncompressed MusicXML
3. Compare beams in the MusicXML file with the beams rendered in MuseScore

Supporting files, videos and screenshots

MusicXML export ("No system or page breaks" is selected for legibility but the issue persists regardless of this setting):

...
<measure number="1">
			<attributes>
				<divisions>8</divisions>
				<key>
					<fifths>0</fifths>
				</key>
				<time>
					<beats>2</beats>
					<beat-type>4</beat-type>
				</time>
				<clef>
					<sign>G</sign>
					<line>2</line>
				</clef>
			</attributes>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down
				</stzem>
				<beam number="1">begin</beam>
				<beam number="2">begin</beam>
				<beam number="3">begin</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down</stem>
				<beam number="1">continue</beam>
				<beam number="2">continue</beam>
				<beam number="3">continue</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down</stem>
				<beam number="1">continue</beam>
				<beam number="2">continue</beam>
				<beam number="3">continue</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down</stem>
				<beam number="1">continue</beam>
				<beam number="2">continue</beam>
				<beam number="3">continue</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down</stem>
				<beam number="1">continue</beam>
				<beam number="2">continue</beam>
				<beam number="3">continue</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down</stem>
				<beam number="1">continue</beam>
				<beam number="2">continue</beam>
				<beam number="3">continue</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down</stem>
				<beam number="1">continue</beam>
				<beam number="2">continue</beam>
				<beam number="3">continue</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>1</duration>
				<voice>1</voice>
				<type>32nd</type>
				<stem>down</stem>
				<beam number="1">end</beam>
				<beam number="2">end</beam>
				<beam number="3">end</beam>
			</note>
			<note>
				<rest/>
				<duration>8</duration>
				<voice>1</voice>
				<type>quarter</type>
			</note>
		</measure>
		<measure number="2">
			<attributes>
				<time>
					<beats>6</beats>
					<beat-type>8</beat-type>
				</time>
			</attributes>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>6</duration>
				<voice>1</voice>
				<type>eighth</type>
				<dot/>
				<stem>down</stem>
				<beam number="1">begin</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>2</duration>
				<voice>1</voice>
				<type>16th</type>
				<stem>down</stem>
				<beam number="1">continue</beam>
				<beam number="2">forward hook</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>4</duration>
				<voice>1</voice>
				<type>eighth</type>
				<stem>down</stem>
				<beam number="1">end</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>2</duration>
				<voice>1</voice>
				<type>16th</type>
				<stem>down</stem>
				<beam number="1">begin</beam>
				<beam number="2">forward hook</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>6</duration>
				<voice>1</voice>
				<type>eighth</type>
				<dot/>
				<stem>down</stem>
				<beam number="1">continue</beam>
			</note>
			<note>
				<pitch>
					<step>C</step>
					<octave>5</octave>
				</pitch>
				<duration>4</duration>
				<voice>1</voice>
				<type>eighth</type>
				<stem>down</stem>
				<beam number="1">end</beam>
			</note>
			<barline location="right">
				<bar-style>light-heavy</bar-style>
			</barline>
		</measure>
...

In which versions of MuseScore Studio is this issue present?

Tested in 5.0.0.260520042, 4.6.5.253511702, and 3.3.4.9134

Regression

No.

Operating system

Tested on Windows 10 and Windows 11

Additional context

No response

Checklist

• This report follows the guidelines for reporting bugs and issues
• I have verified that this issue has not been logged before, by searching the issue tracker for similar issues
• I have attached all requested files and information to this report
• I have attempted to identify the root problem as concisely as possible, and have used minimal reproducible examples where possible

Start by reproducing the export from the attached score and compare the rendered beams with the MusicXML beam elements shown in the report. Trace the MusicXML export path for beam starts, continuations, ends, and hooks. Done means the exported beam structure matches the beams rendered in MuseScore for the reported examples.