Clear gesture recognizers on tear down

[domneedham]

First of all, thanks for this project. It helps identify issues massively!

I noticed that whilst the page is cleared down much better, our view models were not getting cleaned out. Doing some digging, it seems that tap gesture recognizers keep their reference and aren't cleared.

Adding the following snippet helped clear these instances that were not previously.

if (vte is IGestureRecognizers gr)
{
    gr.GestureRecognizers.Clear();
}

I have not raised a PR as you may not choose use to it and/or have alternate ideas based on this.

Happy to discuss more.

[AdamEssenmacher]

Agreed. PR or I'll try to get to it when I can.

[domneedham]

Agreed. PR or I'll try to get to it when I can.

Did you want me to raise a PR for all the issues I've raised as one, or separately?

[AdamEssenmacher]

Either is fine. Thanks!