InputNumber cannot be cleared inside Form when initialValues are set

[hewok]

Describe the bug

When using inside a

with an initialValue set, the input cannot be cleared by the user.
If the numeric value is deleted, the component automatically restores the initial value instead of allowing null or an empty state.

This behavior only occurs when initialValue is provided to the .
If initialValue is not set, can be cleared correctly.

Pull Request Link

No response

Reason for not contributing a PR

• Lack of time
• Unsure how to implement the fix/feature
• Difficulty understanding the codebase
• Other

Other Reason

No response

Reproducer

https://stackblitz.com/edit/pxbps7wy?file=src%2FApp.vue

Environment

User Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Vue version

3.2.45

PrimeVue version

4.5.4

Node version

No response

Browser(s)

Vivaldi 7.7.3851.67 > based on Chromium 142.0.7444.267

Steps to reproduce the behavior

1. Open the StackBlitz reproduction link.
2. Verify the behavior of the two rendered forms

Expected behavior

should allow being emptied (set to null) even when the form is initialized with initialValue

[Mettbrot]

This is a duplicate of #7945

[tugcekucukoglu]

Thanks for the report. This issue will be fixed in version 5.