Update packages/compass-data-modeling/src/utils/nodes-and-edges.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: paula-stacho

packages/compass-data-modeling/src/utils/nodes-and-edges.ts

@@ -208,7 +208,7 @@ export function relationshipToDiagramEdge(
     source: source.ns ?? '',
     target: target.ns ?? '',
     sourceFieldId: source.fields || [],
-    targetFieldId: target.fields || [],
+    targetFieldId: target.fields ?? [],
     markerStart: source.cardinality === 1 ? 'one' : 'many',
     markerEnd: target.cardinality === 1 ? 'one' : 'many',
     selected,