Merge pull request #21 from Excali-Studio/EXD-82-fix

Fix  static function invocation in the CanvasService

src/canvas/canvas.service.ts

@@ -179,7 +179,7 @@ export class CanvasService {
 
     return (
       (await queryBuilder.getOne()) ||
-      (this.produceEmptyCanvasState(canvasId) as CanvasStateEntity) //If state is empty return default one
+      (CanvasService.produceEmptyCanvasState(canvasId) as CanvasStateEntity) //If state is empty return default one
     );
   }