fix: ensure staff before tutorial data

Author: macite

app/api/entities/unit_entity.rb

@@ -50,12 +50,14 @@ def is_admin_staff?(my_role)
 
     expose :learning_outcomes, using: LearningOutcomeEntity, as: :ilos, unless: :summary_only
     expose :tutorial_streams, using: TutorialStreamEntity, unless: :summary_only
+
+    # Expose staff before tutorials, so that their details are available
+    expose :staff, using: UnitRoleEntity, unless: :summary_only
     expose :tutorials, using: TutorialEntity, unless: :summary_only
     # expose :tutorial_enrolments, using: TutorialEnrolmentEntity, unless: :summary_only, if: lambda { |unit, options| is_staff?(options[:my_role]) }
 
     expose :task_definitions, using: TaskDefinitionEntity, unless: :summary_only
     expose :task_outcome_alignments, using: TaskOutcomeAlignmentEntity, unless: :summary_only
-    expose :staff, using: UnitRoleEntity, unless: :summary_only
     expose :group_sets, using: GroupSetEntity, unless: :summary_only
     expose :groups, using: GroupEntity, unless: :summary_only
     # expose :group_memberships, using: GroupMembershipEntity, unless: :summary_only do |unit, options|

app/api/units_api.rb

@@ -35,7 +35,7 @@ class UnitsApi < Grape::API
 
     units = units.where('active = true') unless params[:include_in_active]
 
-    present units, with: Entities::UnitEntity, user: current_user, summary_only: true
+    present units, with: Entities::UnitEntity, user: current_user, summary_only: true, in_unit: true
   end
 
   desc "Get a unit's details"
@@ -252,7 +252,7 @@ class UnitsApi < Grape::API
 
     my_role = result.role_for(current_user)
 
-    present result, with: Entities::UnitEntity, my_role: my_role, user: current_user
+    present result, with: Entities::UnitEntity, my_role: my_role, user: current_user, in_unit: true
   end
 
   desc 'Download the tasks that are awaiting feedback for a unit'