Fix Connections servlet, set table name on models

twenty-backend/lib/twenty-backend/model/connection.rb

@@ -1,4 +1,6 @@
 class Twenty::Connection < Twenty::Model
+  self.table_name = 'connections'
+
   ##
   # Validations
   validates :name, presence: true

twenty-backend/lib/twenty-backend/model/issue.rb

@@ -1,4 +1,6 @@
 class Twenty::Issue < Twenty::Model
+  self.table_name = 'issues'
+
   ##
   # Validations
   validates :title, presence: true

twenty-backend/lib/twenty-backend/servlet/connections.rb

@@ -7,6 +7,6 @@ class Twenty::Servlet::Connections < Twenty::Servlet
   private
 
   def body
-    JSON.dump database.connections.map { Ryo.table_of(_1,recursive: true) }
+    JSON.dump(Twenty::Connection.all)
   end
 end