drop bad anchor in layout component to reduce errors in logfile
The logfile currently contains lots of those errors:
file:///opt/click.ubuntu.com/com.ubuntu.camera/3.2.3.1/GalleryViewHeader.qml:74:9: QML IconButton: Detected anchors on an item that is managed by a layout. This is undefined behavior; use Layout.alignment instead.
This is due to the wrong usage of an anchor in a RowLayout
. This anchor is ignored anyway, so dropping it reduces errors and has no effect on the UI.