Fixed duplicate signature images

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

@@ -4449,7 +4449,7 @@ public class FragmentCompose extends FragmentBase {
                                 if (identity.unicode)
                                     props.put("mail.mime.allowutf8", "true");
                                 Session isession = Session.getInstance(props, null);
-                                Message imessage = MessageHelper.from(context, draft, identity, isession, true);
+                                Message imessage = MessageHelper.from(context, draft, identity, isession, false);
 
                                 File file = draft.getRawFile(context);
                                 try (OutputStream os = new BufferedOutputStream(new FileOutputStream(file))) {

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

@@ -557,8 +557,7 @@ public class MessageHelper {
         Document document = JsoupEx.parse(message.getFile(context));
 
         // When sending message
-        if (identity != null) {
-            if (send) {
+        if (identity != null && send) {
             for (Element child : document.body().children())
                 if (!TextUtils.isEmpty(child.text()) &&
                         TextUtils.isEmpty(child.attr("fairemail"))) {
@@ -568,8 +567,8 @@ public class MessageHelper {
                 }
             document.select("div[fairemail=signature]").removeAttr("fairemail");
             document.select("div[fairemail=reference]").removeAttr("fairemail");
-            }
 
+            boolean save = false;
             DB db = DB.getInstance(context);
             try {
                 db.beginTransaction();
@@ -615,6 +614,7 @@ public class MessageHelper {
 
                     attachments.add(attachment);
                     img.attr("src", "cid:" + cid);
+                    save = true;
                 }
 
                 db.setTransactionSuccessful();
@@ -623,6 +623,9 @@ public class MessageHelper {
             } finally {
                 db.endTransaction();
             }
+
+            if (save)
+                Helper.writeText(message.getFile(context), document.html());
         }
 
         // multipart/mixed