Input Validation: input.number Entering Non-Numeric Characters Does Not Raise $error.number

[rmgravic]

When performing input validation on a input of type "number" in a form, entering non-numeric characters in the input field raises $error.required, not $error.number, as indicated in the documentation.

[caitp]

This is a duplicate of a known issue, please see #4293, #2144, #4857, #5120, #5500 and PR at #5944