feat: partition main canvas vertically (#6759)

Co-authored-by: Marcel Mraz <marcel.mraz@adacta-fintech.com>
Co-authored-by: dwelle <luzar.david@gmail.com>

src/tests/helpers/api.ts

@@ -279,7 +279,7 @@ export class API {
   };
 
   static drop = async (blob: Blob) => {
-    const fileDropEvent = createEvent.drop(GlobalTestState.canvas);
+    const fileDropEvent = createEvent.drop(GlobalTestState.interactiveCanvas);
     const text = await new Promise<string>((resolve, reject) => {
       try {
         const reader = new FileReader();
@@ -306,6 +306,6 @@ export class API {
         },
       },
     });
-    fireEvent(GlobalTestState.canvas, fileDropEvent);
+    fireEvent(GlobalTestState.interactiveCanvas, fileDropEvent);
   };
 }