Updates field and adds resolver

* Adds resolver to user in pipelineType
* Updates field to be markdown_field

app/graphql/types/ci/pipeline_type.rb

@@ -46,7 +46,8 @@ module Types
             extras: [:lookahead],
             resolver: Resolvers::Ci::PipelineStagesResolver
       field :user, Types::UserType, null: true,
-            description: 'Pipeline user'
+            description: 'Pipeline user',
+            resolve: -> (pipeline, _args, _context) { Gitlab::Graphql::Loaders::BatchModelLoader.new(User, pipeline.user_id).find }
     end
   end
 end

app/graphql/types/user_status_type.rb

@@ -5,7 +5,7 @@ module Types
   class UserStatusType < BaseObject
     graphql_name 'UserStatus'
 
-    field :message_html, GraphQL::STRING_TYPE, null: true,
+    markdown_field :message_html, null: true,
       description: 'HTML of the user status message'
     field :message, GraphQL::STRING_TYPE, null: true,
       description: 'User status message'