Use medium date/time for extended reply header

app/src/main/java/eu/faircode/email/EntityMessage.java

@@ -427,9 +427,10 @@ public class EntityMessage implements Serializable {
         boolean language_detection = prefs.getBoolean("language_detection", false);
         String l = (language_detection ? language : null);
 
+        DateFormat DTF = Helper.getDateTimeInstance(context);
+
         Element p = document.createElement("p");
         if (extended) {
-            DateFormat DTF = Helper.getDateTimeInstance(context, SimpleDateFormat.LONG, SimpleDateFormat.LONG);
             if (from != null && from.length > 0) {
                 Element strong = document.createElement("strong");
                 strong.text(Helper.getString(context, l, R.string.title_from) + " ");
@@ -465,10 +466,8 @@ public class EntityMessage implements Serializable {
                 p.appendText(subject);
                 p.appendElement("br");
             }
-        } else {
-            DateFormat DTF = Helper.getDateTimeInstance(context);
+        } else
             p.text(DTF.format(new Date(received)) + " " + MessageHelper.formatAddresses(from) + ":");
-        }
 
         Element div = document.createElement("div")
                 .attr("fairemail", "reply");