Emoji are not rendered in windows and in the export file

[lesnake]

What I am doing
I'm using emoji like in this plantuml example for emoji

@startuml
Alice -> Bob : Hello <:1f600:>
return <:innocent:>
Alice -> Bob : Without color: <#0:sunglasses:>
Alice -> Bob : Change color: <#green:sunny:>
@enduml

What whappends
The preview and the exported image (svg, png) are showing :

What I am expecting
Instead of this, obtained using the web client :

Why I think there is an issue
The plantumel syntax for emoji code, like <:1f600:>, is displayed in the image instead of the emoji.

Configuration
Using Eclipse :
Version: 2023-06 (4.28.0)
Build id: 20230608-1333
on windows 10 x64 french
PlantUML Feature 1.1.29
PlantUML Library Feature 1.2023.10