Unable to enter a small image size for panorama size image.
Testcase:
- Go to https://de.wikipedia.org/wiki/Benutzer:Raymond/lp
- Open VE
- Edit the second image (line 3 of the table)
- Go to "Advances settings"
- Try to enter "120" in the first field of "image size"
Result: 1 is deleted immediatly, it is impossible to enter any number with a leading 1.