use beautify_data() in mails too. added TODO with known bug

TODO

@@ -0,0 +1,3 @@
+known bugs:
+
+html problem in mails: 14" -> 14"

evapp/views.py

@@ -58,7 +58,7 @@ class EvaFormView(CookieWizardView):
         data = self.get_all_cleaned_data()
         newdata = {k: v for k, v in data.items() if (k in MAILS[department]['DATA'])}
 
-        context = {'data': newdata}
+        context = {'data': self.beautify_data(newdata)}
 
         try:
              mail_template = get_template(f'evapp/{department}_mail.txt')
@@ -90,6 +90,7 @@ class EvaFormView(CookieWizardView):
             and v in choices})
 
         # replace values in accounts array from *_CHOICES
+        if 'accounts' in data:
             data['accounts'] = [ACCOUNT_CHOICES[c] for c in data['accounts']]