[Wasm] Releasing mouse over Snippet ListView trigger navigation even when press was initiated outside the ListView

[ghost]

Repro Step

• Enter a snippet
• Start press in the xaml or data context (Like when you want to ctrl+c then ctrl+v somewhere else)
• Release press in the snippet ListView

Current Behavior: After releasing over the ListView, the page navigates to another snippet.
Expected Behavior: Navigation should only occur if the press was initiated and released over the ListView.

[carldebilly]

In this case, the mouse is captured natively. It seems there's no way to detect this capture.

The right solution would be to filter-out "pointer release" events when there's not "pointer-down" on the list, for the selection.