Set XRES and YRES to strings
Fixes this error when triggering jobs:
{"count":0,"error":"YAML validation failed:\n\/job_templates\/gnome_mobile\/settings\/XRES: Expected string - got number.\n\/job_templates\/gnome_mobile\/settings\/YRES: Expected string - got number.","error_status":400,"failed":{},"ids":[],"scheduled_product_id":1496}