Enable custom emojis in profiles (notes, field values, display names) (#7374)

Follow-up to #6124

app/models/account.rb

@@ -398,7 +398,7 @@ class Account < ApplicationRecord
   end
 
   def emojis
-    @emojis ||= CustomEmoji.from_text(note, domain)
+    @emojis ||= CustomEmoji.from_text(emojifiable_text, domain)
   end
 
   before_create :generate_keys
@@ -425,4 +425,8 @@ class Account < ApplicationRecord
 
     self.domain = TagManager.instance.normalize_domain(domain)
   end
+
+  def emojifiable_text
+    [note, display_name, fields.map(&:value)].join(' ')
+  end
 end