Dropdown: dynamic text in placeholder is not displayed

[dbelob]

Describe the bug

The text in the placeholder is not displayed if it is generated dynamically using pipe.

Environment

OS: Windows 8.1, Windows 10

Reproducer

https://stackblitz.com/github/dbelob/primeng-dropdown-placeholder-error

Angular version

17.1.2

PrimeNG version

17.5.0

Build / Runtime

Angular CLI App

Language

TypeScript

Node version (for AoT issues node --version)

v20.11.0

Browser(s)

Chrome 120.0.6099.71, Firefox 120.0.1, Edge 120.0.2210.61

Steps to reproduce the behavior

1. Add p-dropdown with or without ng-template
2. Use dynamic text in placeholder attribute (for example {{'selectCountry' | translate}})
3. Open application in any browser: text will not appear
4. Select other language (see example): text will not appear

Expected behavior

The text is successfully displayed in PrimeNG 16.6.0
https://stackblitz.com/github/dbelob/primeng-dropdown-placeholder-error/tree/primeng16.6.0

Text should be displayed after opening the application:

Text should change after changing the language:

[dbelob]

See same issue #14321

[matusko89]

same issue here, aparently [placeholder]="value" is set only the first time and then is not detecting the change of the value

[danieljedrzejczyk]

@cetincakiroglu pls add multiselect bug to 17.6.0 milestone.
#14321

[cetincakiroglu]

@danieljedrzejczyk

Thanks a lot for letting me know, I've added it now.

[McFck]

@cetincakiroglu Greetings, can this PR be forwarded to primeng v16 ?