Sync folders on swipe refresh folder list

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

@@ -335,9 +335,12 @@ public class FragmentFolders extends FragmentBase {
                 try {
                     db.beginTransaction();
 
-                    if (aid < 0) {
-                        // Unified inbox
-                        List<EntityFolder> folders = db.folder().getFoldersUnified(null, true);
+                    List<EntityFolder> folders;
+                    if (aid < 0)
+                        folders = db.folder().getFoldersUnified(null, true);
+                    else
+                        folders = db.folder().getSynchronizingFolders(aid);
+
                     for (EntityFolder folder : folders) {
                         EntityOperation.sync(context, folder.id, true);
 
@@ -349,17 +352,13 @@ public class FragmentFolders extends FragmentBase {
                                 now = false;
                         }
                     }
-                    }
 
                     db.setTransactionSuccessful();
                 } finally {
                     db.endTransaction();
                 }
 
-                if (aid < 0)
                 ServiceSynchronize.eval(context, "refresh/folders");
-                else
-                    ServiceSynchronize.reload(context, aid, "refresh/folders");
 
                 if (outbox)
                     ServiceSend.start(context);