Prevent translation of subject.gsub('-', ' ')

Perhaps the best solution would be to add 'enum selectable_subject' to ResearchOutput. That way we could implement the same logic we used for ResearchOuput.output_types and ResearchOutput.accesses.

app/presenters/research_output_presenter.rb

@@ -57,22 +57,23 @@ def byte_sizable?
   # rubocop:disable Metrics/AbcSize
   def self.selectable_subjects
     [
-      "23-#{_('Agriculture, Forestry, Horticulture and Veterinary Medicine')}",
-      "21-#{_('Biology')}",
-      "31-#{_('Chemistry')}",
-      "44-#{_('Computer Science, Electrical and System Engineering')}",
-      "45-#{_('Construction Engineering and Architecture')}",
-      "34-#{_('Geosciences (including Geography)')}",
-      "11-#{_('Humanities')}",
-      "43-#{_('Materials Science and Engineering')}",
-      "33-#{_('Mathematics')}",
-      "41-#{_('Mechanical and industrial Engineering')}",
-      "22-#{_('Medicine')}",
-      "32-#{_('Physics')}",
-      "12-#{_('Social and Behavioural Sciences')}",
-      "42-#{_('Thermal Engineering/Process Engineering')}"
+      '23-Agriculture, Forestry, Horticulture and Veterinary Medicine',
+      '21-Biology',
+      '31-Chemistry',
+      '44-Computer Science, Electrical and System Engineering',
+      '45-Construction Engineering and Architecture',
+      '34-Geosciences (including Geography)',
+      '11-Humanities',
+      '43-Materials Science and Engineering',
+      '33-Mathematics',
+      '41-Mechanical and industrial Engineering',
+      '22-Medicine',
+      '32-Physics',
+      '12-Social and Behavioural Sciences',
+      '42-Thermal Engineering/Process Engineering'
     ].map do |subject|
-      [subject.split('-').last, subject.gsub('-', ' ')]
+      # subject.split('-').last is sync'd to translation.io via _research_output.erb
+      [_(subject.split('-').last), subject.gsub('-', ' ')]
     end
   end
 

app/views/translation_io_exports/_research_output.erb

@@ -23,4 +23,20 @@ _('Open')
 _('Embargoed')
 _('Restricted')
 _('Closed')
+
+# selectable_subjects
+_('Agriculture, Forestry, Horticulture and Veterinary Medicine')
+_('Biology')
+_('Chemistry')
+_('Computer Science, Electrical and System Engineering')
+_('Construction Engineering and Architecture')
+_('Geosciences (including Geography)')
+_('Humanities')
+_('Materials Science and Engineering')
+_('Mathematics')
+_('Mechanical and industrial Engineering')
+_('Medicine')
+_('Physics')
+_('Social and Behavioural Sciences')
+_('Thermal Engineering/Process Engineering')
 %>