Support always floating label for field

[asyncliz]

Discussed in https://github.com/material-components/material-web/discussions/5365

^{Originally posted by Gnuk January 5, 2024} Hi,

From 1.1.1, do you know how to keep label always floating with a visible placeholder on a Text field?

Ref: https://material-web.dev/components/text-field/.

Example of expectation before focus:

Note: From Angular Material, it's possible to have this behavior with [floatLabel]="always".

Thank you for your help.

[bnmghjtyu0]

I also want this feature.