Show original role name of renamed roles when enrolling users

Setup Login as admin. Create a course and enrol, at least, one teacher and one student. Update course settings, under Role renaming enter an alias for Your word for 'Student' and for 'Teacher'. Go to "Site administration / Users / Accounts / Cohorts" and create one system cohort with, at least, 1 user. Testing scenario 1: Participants page Visit the course participants page Press the Enrol users button Confirm both role names are displayed in the Assign roles dropdown Back on the participants table, edit the roles for a user Confirm the inplace editable element displays both role names Visit same participants page as an student Confirm only role alias are displayed in the participants table and in the filter   Testing scenario 2: Enrolment cohort sync Visit the course participants page Access to the Enrolment methods page Select "Cohort sync" from the "Add method" dropdown Confirm both role names are displayed in the "Assign role" dropdown   Testing scenario 3: Auto-groups Visit the course participants page Access to the Groups page Click "Auto-create groups" button Confirm both role names are displayed in the "Select members with role" dropdown   Testing scenario 4: Course badges Visit the course badges page Press the "Add a new badge" button Fill in the mandatory fields in the form and click "Create badge" button Access to the "Criteria" badges tab Choose "Manual issue by role" in the "Add badge criteria dropdown Confirm both role names are displayed in the "Manual issue by role" section