[BUG] Annotations in edition file (Verovio-rendering) not displayed

[krHERO]

Describe the problem
the edition file does not show annot-icons while the source files do have them.

To Reproduce
Steps to reproduce the behavior, e.g.:

1. Go to 'Neuedition' in the navigation
2. Click on it to open the verovio view of the mei file of the edition
3. activate annots with "Anmerkungen einblenden" from the toolbar at the bottom
4. See no annot icons

Expected behavior
annot icons should show up

Edirom-Online information

• Version of Edirom-Online [Release v2.1.0, see releases]

Screenshots

Additional context
the annot-elements are captured in the work-file and in the plist-attributes only the sources are listed.
the clarinet quintet adds the annot-elements directly into the MEI file of the edition.