Dashboard is not versioned and cannot be cloned

**Describe the bug**
Trying to clone a dashboard. Returns an error message: Dashboard is not versioned and cannot be cloned. What does this mean? How can a dashboard be versioned?

**To Reproduce**
Steps to reproduce the behavior:
```python
for item in items_to_clone:
if item.type == 'Web Scene' or item.type == 'Web Experience' or item.type == 'Dashboard':
print(f'Cloning {item.id}: {item.type}: {item.title}')
try:
new_items = target.content.clone_items(items=[item], copy_data=True)
except Exception as e:
print(e)
for new_item in new_items:
print(f'{new_item.id}: {new_item.type}: {new_item.title}')
else:
pass
```
error:
```python
Dashboard is not versioned and cannot be cloned
```
**Screenshots**
If applicable, add screenshots to help explain your problem.

**Expected behavior**
Dashboards should clone

**Platform (please complete the following information):**
- OS: Windows
- Browser: Chrome
- Python API Version: 2.4 (ArcGIS Online)

**Additional context**
Add any other context about the problem here, attachments etc.

Comienza reproduciendo el fallo con target.content.clone_items en la Python API 2.4 usando el elemento de Dashboard indicado. Comprueba el comportamiento de clone_items y la documentación disponible sobre el versionado de dashboards; después, determina si la clonación se realiza correctamente o si la API explica claramente el requisito y la limitación.

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