Fix/#1069 aggregation dsm components

[KathiEsterl]

Fixes #1069 . The changed script is also changed in #1052 , so there are dependencies.

Before merging into dev-branch, please make sure that

• [x] the CHANGELOG.rst was updated.
• [x] new and adjusted code is formated using black and isort.
• [x] the Dataset-version is updated when existing datasets are adjusted.
• [x] the branch was merged into the continuous-integration/run-everything-over-the-weekend-branch.
• [x] the workflow is running successful in test mode.
• [x] the workflow is running successful in Everything mode.

@khelfen Could you please review the changes? And could you please also merge this branch to the currently used CI-branch? As there are so many changes in this script made by you, I think it might be best if you could do it to resolve all merge conflicts correctly.

[KathiEsterl]

As you wrote in #1048 the sanity checks went through, right? So this can me merged to dev now?