The QLineSeries hovered signal is only re-emitted when the mouse leaves the hover area.

QLineSeries only emits the hovered signal if the mouse leaves the hover area before the next hover. This means that only the first hover works correctly. Subsequent hovers do not work unless the mouse leaves the hover area and re-enters it.

To reproduce the issue:

1. Run the attached example project.
2. Hover over one of the circles.
3. Hover over the other circles without leaving the circles or the marked line.

The hover signal is not emitted unless the mouse moves outside the circles.