Remove configuration from search result after deletion

Goal of this MR:

• remove the deleted configuration from the list of search results

Fixes #192 (closed)

added Bug Effort: S Frontend In Progress Server: GFZ Production Server: GFZ Staging UI/UX labels

requested review from @nils.brinckmann

assigned to @marc.hanisch

removed In Progress label

added 1 deleted label

approved this merge request

Works nice! Feel free to merge!

merged

mentioned in commit b12652a8