fix: messed up env variable (#8231)

.env.production

@@ -1,4 +1,4 @@
-VITE_APP_ENABLE_TRACKINGVITE_APP_BACKEND_V2_GET_URL=https://json.excalidraw.com/api/v2/
+VITE_APP_BACKEND_V2_GET_URL=https://json.excalidraw.com/api/v2/
 VITE_APP_BACKEND_V2_POST_URL=https://json.excalidraw.com/api/v2/post/
 
 VITE_APP_LIBRARY_URL=https://libraries.excalidraw.com