Disable form input unless the form is valid
Disable form input unless the form is valid

- Disable on first open until server responds
- Disable after form submission until next server response

inventree/InvenTree,SchrodingersGat/InvenTree,SchrodingersGat/InvenTree,SchrodingersGat/InvenTree,SchrodingersGat/InvenTree,inventree/InvenTree,inventree/InvenTree,inventree/InvenTree