QToolButton: Elide text when constraints prevent from showing whole text
requested to merge asturmlechner/qtbase:asturmlechner/QTBUG-64132-qtoolbutton-elide-text-w-o-icon into kde/5.15
Follow-up of b2a282d7 - elide the text also when the QToolButton has no icon (=text only)
Pick-to: 6.5 6.4 6.2 5.15 Fixes: QTBUG-64132 Change-Id: If4d3758452f37df411931a6628846988a3418d8e Reviewed-by: Richard Moe Gustavsen richard.gustavsen@qt.io (cherry picked from commit 021906f6)