When p-select is editable and a default value already exists, selectOption displays object when the filter selects other options

[LiJun0107]

Describe the bug

When p-select is editable and a default value already exists, selectOption displays object when the filter selects other options,

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/5fi9n9nf?file=src%2Fapp%2Fselect-filter-demo.html

Environment

primeng

Angular version

19.0.1

PrimeNG version

v19

Node version

19.0.0

Browser(s)

No response

Steps to reproduce the behavior

1. <p-select
   [options]="countries"
   [(ngModel)]="selectOption"
   optionLabel="name"
   [filter]="true"
   filterBy="name"
   [editable]="true"
   [showClear]="true"
   placeholder="Select a Country"
   class="w-full md:w-56"

Set editable and filter
2. Click the drop-down box and enter the following options in the filter
3. selectOption displays objects abnormally

Expected behavior

selectOption can display the data correctly

[github-actions]

Due to PrimeTek's demanding roadmap for PrimeNG, this issue is available for anyone to work on. Make sure to reference this issue in your pull request. ✨ Thank you for your contribution! ✨