.qmlextra's text color #254117 is too dark. Let it inherit a better
suited text color.
Amends: 436467134e6087ec5a0e360e1837aac4da2ce9ca
Pick-to: 6.5
Fixes: QTCREATORBUG-30117
Change-Id: Ia9e0567b0b00f2e7c1359ac85f10c72cece3c087
Reviewed-by: hjk <hjk@qt.io>
(cherry picked from commit 7b27a5b137e9b874928cebf2740520a0d98df282)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit 7d4aaa9af833737ea428e2fcec48391360d63f23)
d8805f56b9