Fix uploading higher-than-wide GIF profile picture with libvips enabled (#32911)

lib/paperclip/vips_lazy_thumbnail.rb

@@ -52,6 +52,7 @@ module Paperclip
         # implement. If cropping ever becomes necessary for other situations, this will
         # need to be expanded.
         crop_width = crop_height = [target_width, target_height].min if @target_geometry&.square?
+        crop_width = crop_height = "'min(iw,ih)'" if crop_width == 'ih'
 
         filter = begin
           if @crop

spec/support/examples/models/concerns/account_avatar.rb

@@ -2,13 +2,20 @@
 
 RSpec.shared_examples 'AccountAvatar' do |fabricator|
   describe 'static avatars', :attachment_processing do
-    describe 'when GIF' do
+    describe 'with a square GIF' do
       it 'creates a png static style' do
         account = Fabricate(fabricator, avatar: attachment_fixture('avatar.gif'))
         expect(account.avatar_static_url).to_not eq account.avatar_original_url
       end
     end
 
+    describe 'with a higher-than-wide GIF' do
+      it 'creates a png static style' do
+        account = Fabricate(fabricator, avatar: attachment_fixture('avatar-high.gif'))
+        expect(account.avatar_static_url).to_not eq account.avatar_original_url
+      end
+    end
+
     describe 'when non-GIF' do
       it 'does not create extra static style' do
         account = Fabricate(fabricator, avatar: attachment_fixture('attachment.jpg'))