When executing kdialog --geticon, some errors would shown:
$ kdialog --geticon qt.svg: /usr/share/icons/breeze-dark/applets/128/user-ada-lovelace.svg:68: Could not resolve property: #linearGradient6624 qt.svg: /usr/share/icons/breeze-dark/applets/128/user-ada-lovelace.svg:68: Could not resolve property: #linearGradient6626 qt.svg: /usr/share/icons/breeze-dark/applets/128/user-leonardo-da-vinci.svg:79: Could not resolve property: #linearGradient6634
... And those 2 icons don't have correct shadow. This patch fixes it.