Use `shell.indent` for list output indentation in CLI area (#31969)

lib/mastodon/cli/accounts.rb

@@ -321,7 +321,9 @@ module Mastodon::CLI
 
       unless skip_domains.empty?
         say('The following domains were not available during the check:', :yellow)
-        skip_domains.each { |domain| say("    #{domain}") }
+        shell.indent(2) do
+          skip_domains.each { |domain| say(domain) }
+        end
       end
     end
 

lib/mastodon/cli/email_domain_blocks.rb

@@ -10,8 +10,10 @@ module Mastodon::CLI
       EmailDomainBlock.where(parent_id: nil).find_each do |entry|
         say(entry.domain.to_s, :white)
 
-        EmailDomainBlock.where(parent_id: entry.id).find_each do |child|
-          say("  #{child.domain}", :cyan)
+        shell.indent do
+          EmailDomainBlock.where(parent_id: entry.id).find_each do |child|
+            say(child.domain, :cyan)
+          end
         end
       end
     end

lib/mastodon/cli/emoji.rb

@@ -62,7 +62,9 @@ module Mastodon::CLI
             failed += 1
             say('Failure/Error: ', :red)
             say(entry.full_name)
-            say("    #{custom_emoji.errors[:image].join(', ')}", :red)
+            shell.indent(2) do
+              say(custom_emoji.errors[:image].join(', '), :red)
+            end
           end
         end
       end