Auto reload folder list

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

@@ -787,20 +787,20 @@ public class EntityOperation {
         sync(context, fid, false, force);
     }
 
-    static void sync(Context context, long fid, boolean foreground) {
-        sync(context, fid, foreground, false);
+    static boolean sync(Context context, long fid, boolean foreground) {
+        return sync(context, fid, foreground, false);
     }
 
-    static void sync(Context context, long fid, boolean foreground, boolean force) {
-        sync(context, fid, foreground, force, false);
+    static boolean sync(Context context, long fid, boolean foreground, boolean force) {
+        return sync(context, fid, foreground, force, false);
     }
 
-    static void sync(Context context, long fid, boolean foreground, boolean force, boolean outbox) {
+    static boolean sync(Context context, long fid, boolean foreground, boolean force, boolean outbox) {
         DB db = DB.getInstance(context);
 
         EntityFolder folder = db.folder().getFolder(fid);
         if (folder == null)
-            return;
+            return force;
 
         if (foreground) {
             long now = new Date().getTime();
@@ -864,6 +864,8 @@ public class EntityOperation {
                 Log.e("outbox");
                 ServiceSend.start(context);
             }
+
+        return force;
     }
 
     static void subscribe(Context context, long fid, boolean subscribe) {

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

@@ -549,7 +549,8 @@ public class FragmentFolders extends FragmentBase {
                         Collections.sort(folders, folders.get(0).getComparator(context));
 
                     for (EntityFolder folder : folders) {
-                        EntityOperation.sync(context, folder.id, true, force);
+                        if (EntityOperation.sync(context, folder.id, true, force))
+                            reload = true;
 
                         if (folder.account == null)
                             outbox = true;