DEV: move post flags into database (#27125)

This is preparation for a feature that will allow admins to define their custom flags. Current behaviour should stay untouched.

lib/flag_settings.rb

@@ -7,6 +7,7 @@ class FlagSettings
     :topic_flag_types,
     :auto_action_types,
     :custom_types,
+    :names,
   )
 
   def initialize
@@ -16,18 +17,28 @@ class FlagSettings
     @auto_action_types = Enum.new
     @custom_types = Enum.new
     @without_custom_types = Enum.new
+    @names = Enum.new
   end
 
-  def add(id, name, topic_type: nil, notify_type: nil, auto_action_type: nil, custom_type: nil)
-    @all_flag_types[name] = id
-    @topic_flag_types[name] = id if !!topic_type
-    @notify_types[name] = id if !!notify_type
-    @auto_action_types[name] = id if !!auto_action_type
+  def add(
+    id,
+    name_key,
+    topic_type: nil,
+    notify_type: nil,
+    auto_action_type: nil,
+    custom_type: nil,
+    name: nil
+  )
+    @all_flag_types[name_key] = id
+    @topic_flag_types[name_key] = id if !!topic_type
+    @notify_types[name_key] = id if !!notify_type
+    @auto_action_types[name_key] = id if !!auto_action_type
+    @names[id] = name if name
 
     if !!custom_type
-      @custom_types[name] = id
+      @custom_types[name_key] = id
     else
-      @without_custom_types[name] = id
+      @without_custom_types[name_key] = id
     end
   end