fix favico badge not working on chrome

added line prevents chrome from """tainting""" the canvas, making it non-exportable.

Also makes it handle case of multiple favicons (i.e. multiple sizes) by processing all favicons, not just first one

src/services/favicon_service/favicon_service.js

@@ -14,6 +14,7 @@ const createFaviconService = () => {
       favcanvas.width = faviconWidth
       favcanvas.height = faviconHeight
       favimg = new Image()
+      favimg.crossOrigin = 'anonymous'
       favimg.src = favicon.href
       favcontext = favcanvas.getContext('2d')
     }