Accordion: Icon on wrong side

The _expand more_ icon is [implemented](https://db-ui.github.io/core/review/main/patterns/components-accordion/index.html) on the left side of the text, whereas its included on the right side within the specification:
<img width="467" alt="image" src="https://github.com/db-ui/core/assets/787658/aaab9f2f-db3a-4f0a-8c7a-eafe4c4344ed">


DBSWC-1188