Show the color that is dragged in, both graphically and textually.
Revert to default palette for other data types. Prioritize colors
over text: if an application (such as kolourpaint) offers both x-color
and text, the color is probably the intention, and the text may be
just a hex string for placing into a color text field.
Pick-to: 6.8
Fixes: QTBUG-134313
Change-Id: I6c19f1220712881d2057bc9758bbc8cbd9247c81
Reviewed-by: Liang Qi <liang.qi@qt.io>
(cherry picked from commit 1750acc3921148b0ffc8f9f1421b87a2f5522a2e)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
bbceab7932