Revert "Replace House with Lexical"

app/models/card.rb

@@ -9,7 +9,7 @@ class Card < ApplicationRecord
   has_many :comments, dependent: :destroy
   has_one_attached :image, dependent: :purge_later
 
-  has_rich_text :description
+  has_markdown :description
 
   before_save :set_default_title, if: :published?
 

app/models/comment.rb

@@ -5,7 +5,7 @@ class Comment < ApplicationRecord
   belongs_to :creator, class_name: "User", default: -> { Current.user }
   has_many :reactions, dependent: :delete_all
 
-  has_rich_text :body
+  has_markdown :body
   searchable_by :body_plain_text, using: :comments_search_index, as: :body
 
   scope :chronologically, -> { order created_at: :asc, id: :desc }
@@ -19,10 +19,6 @@ class Comment < ApplicationRecord
   end
 
   private
-    def body_plain_text
-      body.to_plain_text
-    end
-
     def watch_card_by_creator
       card.watch_by creator
     end

app/models/concerns/mentions.rb

@@ -14,7 +14,7 @@ module Mentions
   end
 
   def mentionable_content
-    rich_text_associations.collect { send(it.name)&.to_plain_text }.compact.join(" ")
+    markdown_associations.collect { send(it.name)&.to_plain_text }.compact.join(" ")
   end
 
   private
@@ -32,12 +32,12 @@ module Mentions
       collection.users
     end
 
-    def rich_text_associations
-      self.class.reflect_on_all_associations(:has_one).filter { it.klass == ActionText::RichText }
+    def markdown_associations
+      self.class.reflect_on_all_associations(:has_one).filter { it.klass == ActionText::Markdown }
     end
 
     def mentionable_content_changed?
-      rich_text_associations.any? { send(it.name).body_previously_changed? }
+      markdown_associations.any? { send(it.name).content_previously_changed? }
     end
 
     def create_mentions_later