Draft: Keep data for inactive nodes but drop from topology

requested review from @jakob

assigned to @filmat

@jakob First proposal for https://project.iopsys.eu/issues/15992 but maybe we should do it differently?

added 5 commits

• 053efab6...6d4db686 - 4 commits from branch devel
• e0d7325c - Keep data for inactive nodes but drop from topology

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added 5 commits

• e0d7325c...87ea7769 - 4 commits from branch devel
• 49d7480f - Keep data for inactive nodes but drop from topology

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added 2 commits

• 7901730d - 1 commit from branch devel
• e8f102ae - Keep data for inactive nodes but drop from topology

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added 2 commits

• e0c3784c - 1 commit from branch devel
• 74ebe9b3 - Keep data for inactive nodes but drop from topology

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