frontend float quantities validation
If a zero is typed, an error is popping out: ![Screenshot_from_2024-08-15_16-13-19](/uploads/00b1f7e5861d9436d31b70d40f575af6/Screenshot_from_2024-08-15_16-13-19.png) ![Screenshot_from_2024-08-15_16-13-28](/uploads/eebf4f628923d778c3bece3a99e0ac6b/Screenshot_from_2024-08-15_16-13-28.png) ![Screenshot_from_2024-08-15_16-13-40](/uploads/1c236ca52fb1d6e921f4f219734a4cf8/Screenshot_from_2024-08-15_16-13-40.png)
issue