Integrate meta-seconorth-distro/qtbase_add-QStylesheetStyle-patch

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@ca8dfb5c

qtbase: Add QStylesheetStyle alignment patch

Per customer request add QStylesheetStyle patch form Qt 5.15.4.
See also https://bugreports.qt.io/browse/QTBUG-89366
         https://bugreports.qt.io/browse/QTBUG-86857
         https://codereview.qt-project.org/c/qt/qtbase/+/327897

This patch can be omitted when a later Qt Commercial version is used.