Clear deeplinks after use (#5128)

ui/desktop/src/main.ts

@@ -346,6 +346,7 @@ app.on('open-url', async (_event, url) => {
         recipeDeeplink || undefined,
         scheduledJobId || undefined
       );
+      windowDeeplinkURL = null;
       return; // Skip the rest of the handler
     }
 
@@ -366,6 +367,7 @@ app.on('open-url', async (_event, url) => {
     } else if (parsedUrl.hostname === 'sessions') {
       firstOpenWindow.webContents.send('open-shared-session', pendingDeepLink);
     }
+    pendingDeepLink = null;
   }
 });