Fix assignment bug in fetch_q_and_a

Author: aaronskiba

app/presenters/api/v2/research_output_presenter.rb

@@ -62,7 +62,7 @@ def fetch_q_and_a(themes:)
         ret = themes.map do |theme|
           qs = @plan.questions.select { |q| q.themes.collect(&:title).include?(theme) }
           descr = qs.map do |q|
-            a = @plan.answers.find { |ans| ans.question_id = q.id }
+            a = @plan.answers.find { |ans| ans.question_id == q.id }
             next unless a.present? && !a.blank?
 
             "<strong>Question:</strong> #{q.text}<br><strong>Answer:</strong> #{a.text}"