input signal not set in directives

[CedricDuffournetInfomaniak]

when passing a value to a signal input in a directive, the input value is not set. This is working with the old way (e.g @input)

Here is a stackblitz example https://stackblitz.com/edit/stackblitz-starters-m55lyqjr?file=package.json