No favicon on Safari

[maxmilton]

The TrackX dash uses a modern technique for favicons; SVG icon with a favicon.ico fallback. It works properly on every modern browser except Safari.

See:

• https://caniuse.com/link-icon-svg
• https://medium.com/swlh/are-you-using-svg-favicons-yet-a-guide-for-modern-browsers-836a6aace3df
• https://css-tricks.com/svg-favicons-and-all-the-fun-things-we-can-do-with-them/