FIX: use 'resize' option instead of 'thumbnail' when downsizing emojis

app/jobs/regular/resize_emoji.rb

@@ -11,7 +11,7 @@ module Jobs
         force_aspect_ratio: SiteSetting.enforce_square_emoji
       }
       # make sure emoji aren't too big
-      OptimizedImage.downsize(path, path, 60, 60, opts)
+      OptimizedImage.downsize(path, path, 100, 100, opts)
     end
   end
 

app/models/optimized_image.rb

@@ -112,7 +112,7 @@ class OptimizedImage < ActiveRecord::Base
       #{from}[0]
       -gravity center
       -background transparent
-      -thumbnail #{dimensions}#{!!opts[:force_aspect_ratio] ? "\\!" : "\\>"}
+      -resize #{dimensions}#{!!opts[:force_aspect_ratio] ? "\\!" : "\\>"}
       #{to}
     }
   end
@@ -123,7 +123,7 @@ class OptimizedImage < ActiveRecord::Base
       -coalesce
       -gravity center
       -background transparent
-      -thumbnail #{dimensions}#{!!opts[:force_aspect_ratio] ? "\\!" : "\\>"}
+      -resize #{dimensions}#{!!opts[:force_aspect_ratio] ? "\\!" : "\\>"}
       #{to}
     }
   end