add env to turn off automatic medipost sending on montonio callback

app/home/(user)/(dashboard)/cart/montonio-callback/actions.ts

@@ -30,10 +30,15 @@ const env = () => z
         error: 'NEXT_PUBLIC_SITE_URL is required',
       })
       .min(1),
+    isEnabledDispatchOnMontonioCallback: z
+      .boolean({
+        error: 'MEDIPOST_ENABLE_DISPATCH_ON_MONTONIO_CALLBACK is required',
+      }),
   })
   .parse({
     emailSender: process.env.EMAIL_SENDER,
     siteUrl: process.env.NEXT_PUBLIC_SITE_URL!,
+    isEnabledDispatchOnMontonioCallback: process.env.MEDIPOST_ENABLE_DISPATCH_ON_MONTONIO_CALLBACK === 'true',
   });
 
 const sendEmail = async ({
@@ -205,7 +210,9 @@ export async function processMontonioCallback(orderToken: string) {
       console.error("Missing email to send order result email", orderResult);
     }
 
-    await sendOrderToMedipost({ medusaOrderId, orderedAnalysisElements });
+    if (env().isEnabledDispatchOnMontonioCallback) {
+      await sendOrderToMedipost({ medusaOrderId, orderedAnalysisElements });
+    }
 
     return { success: true, orderId };
   } catch (error) {