Enable image preview for avif images

Fixes #106415

Support for these was added in electron 11

extensions/image-preview/package.json

@@ -34,7 +34,7 @@
         "priority": "builtin",
         "selector": [
           {
-            "filenamePattern": "*.{jpg,jpe,jpeg,png,bmp,gif,ico,webp}"
+            "filenamePattern": "*.{jpg,jpe,jpeg,png,bmp,gif,ico,webp,avif}"
           }
         ]
       }