nad-viewer: fix calling move callback, fix boundary node moving (#113)

* Fix method for calling node move callback in network area diagram viewer
* Fix redraw when boundary node moved

Signed-off-by: massimo.ferraro <massimo.ferraro@soft.it>
Co-authored-by: Florian Dupuy <florian.dupuy@rte-france.com>

src/components/network-area-diagram-viewer/network-area-diagram-viewer.ts

@@ -765,8 +765,8 @@ export class NetworkAreaDiagramViewer {
         // if dangling line edge -> redraw boundary node
         if (edgeType == DiagramUtils.EdgeType.DANGLING_LINE) {
             this.redrawBoundaryNode(edgeNodes[1], DiagramUtils.getAngle(edgeStart2, edgeMiddle), nodeRadius2[1]);
-            if (this.selectedElement?.id == edgeNodes[1]?.id) {
-                // if boudary node moved -> redraw other voltage level node
+            if (this.draggedElement?.id == edgeNodes[1]?.id) {
+                // if boundary node moved -> redraw other voltage level node
                 this.redrawOtherVoltageLevelNode(edgeNodes[0], [edge]);
             }
         } else {
@@ -1191,7 +1191,7 @@ export class NetworkAreaDiagramViewer {
     private updateNodeMetadataCallCallback(mousePosition: Point, callMoveNodeCallback: boolean) {
         // get moved node from metadata
         const node: NodeMetadata | undefined = this.diagramMetadata?.nodes.find(
-            (node) => node.svgId == this.selectedElement?.id
+            (node) => node.svgId == this.draggedElement?.id
         );
         if (node != null) {
             const nodeMove = DiagramUtils.getNodeMove(node, mousePosition);