How to reproduce

• connect to cms
• open the resource explorer tab (on the left)
• add a file
• select the file
• click on the delete repository action and confirm

Actual behavior

• the action for deleting a repository is activated
• the root repository is deleted (--> there is no more "ametys-internal:resources" node)

Expected behavior

• the action for deleting a repository is NOT activated
• do not delete the root repository