fix(edges): connection line not showing up when no edges are defined

Signed-off-by: Braks <78412429+bcakmakoglu@users.noreply.github.com>

src/utils/edge.ts

@@ -150,7 +150,7 @@ export const groupEdgesByZLevel = (edges: GraphEdge[], nodes: GraphNode[]) => {
     return tree
   }, {})
 
-  return Object.entries(levelLookup).map(([key, edges]) => {
+  return Object.entries(Object.keys(levelLookup).length ? levelLookup : { 0: [] }).map(([key, edges]) => {
     const level = +key
 
     return {

src/utils/graph.ts

@@ -335,8 +335,8 @@ export const getTransformForBounds = (
 export const getXYZPos = (node: GraphNode, result: XYZPosition): XYZPosition => {
   if (!node.parentNode) return result
   return getXYZPos(node.parentNode, {
-    x: result.x + node.parentNode.position.x,
-    y: result.y + node.parentNode.position.y,
+    x: result.x + node.parentNode.computedPosition.x,
+    y: result.y + node.parentNode.computedPosition.y,
     z:
       node.parentNode.computedPosition.z > node.computedPosition.z ? node.parentNode.computedPosition.z : node.computedPosition.z,
   })