replace hard coded api urls with templated links

[bb1950328]

fixes #977
successfully tested by verifying that all mounted() functions are called at least once and checking that the api calls still work by doing the corresponding action in the ui

[BacLuc]

Thank you very much.
Tested it locally, all dialoges still work and the href does not lead to an additonal request.

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[manuelmeister]

Wouldn't this make sense to move these individual mounted definitions to the DialogBase and provide the key, as the mounted call is identical?

[pmattmann]

Wouldn't this make sense to move these individual mounted definitions to the DialogBase and provide the key, as the mounted call is identical?

This PR exactly fulfills the issue #977
I therefore suggest that we merge this PR as it is - and that you create a new issue with your concern.

Core Decision: Can be refactored later