tdf#98253 Qt5 rely on VCL for SetDeactiveColor

Keep the DeactiveColor from generic vcl style without overriding it
with the Qt5 style.

Change-Id: I10ffdc79e1b6878d27ae13c6394ad50d7470f073
Reviewed-on: https://gerrit.libreoffice.org/64522
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>
diff --git a/vcl/qt5/Qt5Frame.cxx b/vcl/qt5/Qt5Frame.cxx
index 1a39eef..c123e8e 100644
--- a/vcl/qt5/Qt5Frame.cxx
+++ b/vcl/qt5/Qt5Frame.cxx
@@ -837,7 +837,7 @@
    style.SetToolbarIconSize(ToolbarIconSize::Large);

    style.SetActiveColor(toColor(pal.color(QPalette::Active, QPalette::Window)));
    style.SetDeactiveColor(toColor(pal.color(QPalette::Inactive, QPalette::Window)));
    // rely on VCL for style.SetDeactiveColor

    style.SetActiveTextColor(toColor(pal.color(QPalette::Active, QPalette::WindowText)));
    style.SetDeactiveTextColor(toColor(pal.color(QPalette::Inactive, QPalette::WindowText)));