InputNumberModule: Variant "filled" is not applied

[cdillmann]

Describe the bug

<p-inputNumber [maxFractionDigits]="0" [min]="1" [max]="10" id="inputId" mode="decimal" variant="filled" />

variant=filled is not applied.

Environment

composer.json:
"primeng": "^17.18.1",

Reproducer

No response

Angular version

17.1.3"

PrimeNG version

17.18.1

Build / Runtime

Angular CLI App

Language

TypeScript

Node version (for AoT issues node --version)

20.14.0

Browser(s)

all

Steps to reproduce the behavior

1. See your documentation: https://primeng.org/inputnumber#filled , where the bug is visible already.

Expected behavior

The component is in "filled" style.