fix(react): allow edges to start from 0,0 (#3980)

packages/react/CHANGELOG.md

@@ -8,6 +8,7 @@
 - unify `Edge` and `Node` type handling
 - fix safari: prevent selection of viewport
 - fix `useNodesData` hook to prevent re-renderings
+- fix edges: allow start at 0,0
 
 ## 12.0.0-next.10
 

packages/react/src/components/EdgeWrapper/index.tsx

@@ -111,7 +111,7 @@ export function EdgeWrapper<EdgeType extends Edge = Edge>({
     [edge.markerEnd, rfId]
   );
 
-  if (edge.hidden || !sourceX || !sourceY || !targetX || !targetY) {
+  if (edge.hidden || sourceX === null || sourceY === null || targetX === null || targetY === null) {
     return null;
   }