Autocomplete: Multiselect autocomplete component allows multiple selection of the same item

[bojanb13579]

Describe the bug

In multiselect autocomplete component same item can be selected multiple times. Bug ocured in version 16.

Environment

Primeng 16.9.1

Reproducer

No response

Angular version

16

PrimeNG version

16.9.1

Build / Runtime

Angular CLI App

Language

TypeScript

Node version (for AoT issues node --version)

16.20.2

Browser(s)

Chrome Version 120.0.6099.111 (Official Build) (64-bit)

Steps to reproduce the behavior

On primeng demo pages select same element on multiselect autocomplete component. Bug is on primeng version 16, but not on version 15.

Expected behavior

Multiselect component should prevent multiple selection of the same item.

[bojanb13579]

Probably related to #14505

[github-actions]

We're unable to replicate your issue, if you are able to create a reproducer by using PrimeNG Issue Template or add details please edit this issue. This issue will be closed if no activities in 20 days.

[github-actions]

This issue has been automatically marked as stale. If this issue is still affecting you with the latest version, please leave any comment, and we will keep it open. We are sorry that we have not been able to prioritize it yet. If you have any new additional information, please include it with your comment!

[github-actions]

Closing this issue after a prolonged period of inactivity. If this issue is still present in the latest release, please create a new issue with up-to-date information. Thank you for your understanding!