QToolButton is not really designed to be used in the way we did and since
QPushButton supports having a menu attached to, we can replace tool buttons
in most cases.
* Fix the presentation of the TabButtonWidget by updating RareStyle's css
* Reduce the size of the top tab bar to save vertical space.
* Remove infoLabel property
Word wrapping allows ElideLabel to resize first inside flexible sized
areas such as the contents widget of a scrollarea. This allows the contents
widget to properly resize itself to avoid horizontal scrolling.
Word-wrapping also enables the widget to resize vertically. To avoid that
ElideLabel is set to a fixed height based on font metrics. An overloaded
method `setFixedHeight` has been added to disable it when desired.
EglSyncGroup: Replace estimated path label with a ElideLabel because
the displayed message was expanding the scrollarea.
