NumberInput does not play nice with custom icon fonts

[rscarson]

A way to set which icon codepoint to use for the chevrons would be needed to fix

[genusistimelord]

number input is not meant to be used with any other font for its buttons other than iced_fonts::REQUIRED_FONT_BYTES
as this is statically set to use this. I wont be changing this to accept custom icons. if you want this you will need to make the change.

[rscarson]

number input is not meant to be used with any other font for its buttons other than iced_fonts::REQUIRED_FONT_BYTES
as this is statically set to use this. I wont be changing this to accept custom icons. if you want this you will need to make the change.

Which is fine except that there doesn't seem to be a way to specify the icon font if the default is changed in an app