Fix superscript and subscript in docx report generator [SCI-7141]

app/services/reports/docx_renderer.rb

@@ -13,6 +13,14 @@ module Reports
             br
           elsif text_el[:type] == 'a'
             Reports::DocxRenderer.render_link_element(self, text_el, options)
+          elsif text_el[:type] == 'sup'
+            text text_el[:value] do 
+              vertical_align 'superscript'
+            end
+          elsif text_el[:type] == 'sub'
+            text text_el[:value] do 
+              vertical_align 'subscript'
+            end
           end
         end
       end

app/services/reports/html_to_word_converter.rb

@@ -58,7 +58,7 @@ module Reports
             temp_p = []
           end
           elements.push(elem)
-        elsif %w(br text a).include? elem[:type]
+        elsif %w(br text a sup sub).include? elem[:type]
           temp_p.push(elem)
         end
       end
@@ -106,6 +106,16 @@ module Reports
           next
         end
 
+        if elem.name == 'sup'
+          elements.push(sup_element(elem))
+          next
+        end
+
+        if elem.name == 'sub'
+           elements.push(sub_element(elem))
+          next
+        end
+
         if %w(ul ol).include?(elem.name)
           elements.push(list_element(elem))
           next
@@ -257,5 +267,13 @@ module Reports
       end.reject(&:blank?)
       { type: 'table', data: rows }
     end
+
+    def sup_element(element)
+      { type: 'sup', value: element.text }
+    end
+
+    def sub_element(element)
+      { type: 'sub', value: element.text }
+    end
   end
 end