fix: Error after importing a reticular similar to an existing one and…#858

aiAdrian wants to merge 15 commits intomainOpenRailAssociation/netzgrafik-editor-frontend:mainfrom

851-error-after-importing-a-reticular-similar-to-an-existing-one-and-clicking-on-a-nodeOpenRailAssociation/netzgrafik-editor-frontend:851-error-after-importing-a-reticular-similar-to-an-existing-one-and-clicking-on-a-nodeCopy head branch name to clipboard