Queue fetch for message added/remove in transaction

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

@@ -1004,10 +1004,18 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
                                         wlMessage.acquire();
                                         Log.i(folder.name + " messages added");
 
+                                        try {
+                                            db.beginTransaction();
+
                                             for (Message imessage : e.getMessages()) {
                                                 long uid = ifolder.getUID(imessage);
                                                 EntityOperation.queue(ServiceSynchronize.this, folder, EntityOperation.FETCH, uid);
                                             }
+
+                                            db.setTransactionSuccessful();
+                                        } finally {
+                                            db.endTransaction();
+                                        }
                                     } catch (Throwable ex) {
                                         Log.e(folder.name, ex);
                                         EntityLog.log(
@@ -1025,10 +1033,18 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
                                         wlMessage.acquire();
                                         Log.i(folder.name + " messages removed");
 
+                                        try {
+                                            db.beginTransaction();
+
                                             for (Message imessage : e.getMessages()) {
                                                 long uid = ifolder.getUID(imessage);
                                                 EntityOperation.queue(ServiceSynchronize.this, folder, EntityOperation.FETCH, uid);
                                             }
+
+                                            db.setTransactionSuccessful();
+                                        } finally {
+                                            db.endTransaction();
+                                        }
                                     } catch (Throwable ex) {
                                         Log.e(folder.name, ex);
                                         EntityLog.log(