p-base-input "append" section can cover main input section and overflow the input box if too long

[space-age-pete]

if the content sent in the append prop is too long, it will cover the actual input and continue outside the input box. Most easily seen in the form demo:

https://user-images.githubusercontent.com/11204953/194125899-9efc16bf-a5eb-4e6f-83b5-9864016a60b5.mov

I have not checked if the same problem occurs when using the append slot rather then the prop