Show 'date' instead of 'received' in extended reply header

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

@@ -357,7 +357,7 @@ public class EntityMessage implements Serializable {
             }
             if (received != null) { // embedded messages
                 Element strong = document.createElement("strong");
-                strong.text(Helper.getString(context, l, R.string.title_received) + " ");
+                strong.text(Helper.getString(context, l, R.string.title_date) + " ");
                 p.appendChild(strong);
                 p.appendText(DF.format(received));
                 p.appendElement("br");

app/src/main/res/values/strings.xml

@@ -1024,6 +1024,7 @@
     <string name="title_via_identity">Via:</string>
     <string name="title_sent">Sent:</string>
     <string name="title_received">Received:</string>
+    <string name="title_date">Date:</string>
     <string name="title_stored">Stored:</string>
     <string name="title_size">Size:</string>
     <string name="title_language">Language:</string>