Missing the property iconImages in RichWindow

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In order to make a professional swing application. I would need the possibility to add multiple, differently sized Images to the top frame.

If you can add only one icon, The icon is automatically shrieked to very low quality.

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Imported From: https://issues.scala-lang.org/browse/SI-7827?orig=1
Reporter: Wolfgang Wagner (wwagner4)

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@gkossakowski said:
Changing priority to minor based on ticket's description.