Fix explore app icon (#11808)

Co-authored-by: luowei <glpat-EjySCyNjWiLqAED-YmwM>
Co-authored-by: crazywoola <427733928@qq.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>

api/controllers/console/explore/recommended_app.py

     "name": fields.String,
     "mode": fields.String,
     "icon": fields.String,
+    "icon_type": fields.String,
     "icon_url": AppIconUrlField,
     "icon_background": fields.String,
 }