feat: Do not scale images down by a small amount

Author: 72374

src/blob.rs

@@ -450,7 +450,11 @@ impl<'a> BlobObject<'a> {
                     max_wh
                 };
 
-                if target_wh > n_px_longest_side {
+                // TODO: Increase the multiplier (something between 0.95 and 0.99 seems appropriate),
+                // when a better resampling-function than `thumbnail` is used.
+                if target_wh > n_px_longest_side
+                    || !is_avatar && target_wh > (f64::from(n_px_longest_side) * 0.89) as u32
+                {
                     target_wh = n_px_longest_side;
                 };