Fix canvas ID generation to prevent incrementing canvas count prematurely

Author: jeffreylanters

module/source/hooks/use-canvas-identifier.ts

@@ -45,7 +45,7 @@ const useCanvasIdentifier = (id?: string): [string, VoidFunction] => {
     // The Unity canvas ID is generated by concatenating the Unity canvas ID
     // prefix with the canvas count. Every time this value is requested, the
     // canvas count is incremented.
-    return [canvasIdPrefix, ++unityCanvasCount].join("-");
+    return [canvasIdPrefix, unityCanvasCount].join("-");
   }, [canvasIncremention]);
 
   return [canvasId, refreshCanvasId];