Annotation list has to be scrollable

Bug fix

Summary

Apart from what is mentioned in the main ticket you are going to close with this MR, tell us what you have done to achieve this goal.

• use the same styles (classes item and item-content) used in all the other panels
• reintroduce styles for the annotations that got lost during prior merge

How to test

entrypoint => https://ahikar-dev.sub.uni-goettingen.de/api/textapi/ahikar/syriac/collection.json

select manuscript Brit. Libr. Or. 2313 / Sheet 173v and scroll the list

Does the result of the MR comply to our "definition of done"?

• Unit tests passed
• Code reviewed
• Acceptance criteria met
• Functional tests passed
• Non-Functional requirements met
• Product Owner accepts the User Story

Related

#283 (closed)

Closes

Closes #283 (closed)

Changelog

• I added a statement to the CHANGELOG.

Documentation

• I updated the README (if applicable)
• I provided my functions with appropriate documentation

/cc Mathias Göbel, Frank Schneider, Michelle Weidling