fix for project show ability

Author: rammodhvadia

app/models/ability.rb

@@ -22,6 +22,7 @@ def initialize(user)
   private
 
   def define_common_non_student_abilities(user)
+    can :show, Project, user_id: nil, school_id: nil, project_type: Project::Types::CODE_EDITOR_SCRATCH
     return if user&.student?
 
     # Anyone can view projects not owned by a user or a school.

spec/features/scratch/showing_a_scratch_project_spec.rb

@@ -84,7 +84,7 @@
   it 'returns a 200 ok if logged in for an anonymous scratch project' do
     authenticated_in_hydra_as(student)
     project = create(:scratch_project, locale: 'en', user_id: nil)
-    get "/api/scratch/projects/#{project.identifier}"
+    get "/api/scratch/projects/#{project.identifier}", headers: headers
 
     expect(response).to have_http_status(:ok)
   end