Add clipping flag to the context menu

[brenocq]

@epezent feedback in #24

Consider adding the clipping flag to the context menu

Ooops!

[brenocq]

The clipping flag was added to the plot context menu in 773dc26, below is a video testing it.

Peek.2024-12-24.07-53.mp4

The mouse position option was also missing, so I added it in 9acd29c.