fix: Animate avatars/icons that's using the .webp file format

As you may of known, WebP can also be animated and provides some
advantages, like having a smaller file sizes over GIF.

Though, the point is that WebP can be animated, and so—it should have
the same effect as normal GIFs - it having the loop animation than it
just being static.

Signed-off-by: xanners <xxdr@duck.com>

Author: pparaxan

src/classes/File.ts

@@ -117,7 +117,7 @@ export class File {
     if (!autumn?.enabled) return;
 
     let query = "";
-    if (forceAnimation && this.contentType === "image/gif") {
+    if (forceAnimation && (this.contentType === "image/gif" || this.contentType === "image/webp")) {
       query = "/original";
     }