On focus in p-inputNumber it marks form dirty even value is unchanged

[dubey-suraj]

Describe the bug

I'm using p-inputNumber field and there is a validation that 'save' button should enable when form is dirty. Issue is when I click in p-InputNumber field and tabout or focus out it marks form as dirty even value is unchanged.

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/github-pteddaso?file=src%2Fapp%2Fapp.component.html

Environment

Angular 15, Vs code

Angular version

15.0.0

PrimeNG version

v18 (LTS Only)

Node version

No response

Browser(s)

chrome, edge

Steps to reproduce the behavior

1. click on name input and click on "Save" it's disable because form is not dirty. It became dirty only when value changed.
2. click on age than click "Save" button, it's enable now because form marked as dirty even value is not changed. this is the issue of primeNg.

Expected behavior

form should not mark as dirty until value gets changed. It should only be dirty when value get changed