When using SymbolIcons inside a menu item (SfMenuItem.Icon) the icons start cutting on the edges, as if they were too big, same thing happens if we use custom icon Paths. We also tried forcing the height and width of the icons and that doesn't resolve the issue, the only thing it does, it makes the icon smaller but it's still cutting on the edges.
I've attached a sample with the issue and here's a sample image of how the icons should look:
Here's a url to the official symbolIcons:
Have a nice weekend,