Fix the persistence issue for nad configs and filters (#3049)

Fix the persistence issue for nad configs and filters that could make a NAD not display the correct voltage levels when switching nodes.

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Signed-off-by: BOUTIER Charly <[email protected]>

Author: EstherDarkish

src/components/diagrams/hooks/use-diagram-model.ts

@@ -261,8 +261,6 @@ export const useDiagramModel = ({ diagramTypes, onAddDiagram, onDiagramAlreadyEx
                             svg: data,
                             name: getDiagramTitle(diagram, data),
                             ...(diagram.type === DiagramType.NETWORK_AREA_DIAGRAM && {
-                                nadConfigUuid: undefined,
-                                filterUuid: undefined,
                                 voltageLevelToExpandIds: [],
                                 voltageLevelIds: [
                                     ...new Set([