Warn for upload issues sent messages folder

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

@@ -752,6 +752,9 @@ class Core {
                                         "title_op_title_" + op.name,
                                         "string",
                                         context.getPackageName());
+                                if (EntityOperation.ADD.equals(op.name) &&
+                                        (!EntityFolder.SENT.equals(folder.name) || Helper.isPlayStoreInstall()))
+                                    resid = 0;
                                 String title = (resid == 0 ? null : context.getString(resid));
                                 if (title != null) {
                                     NotificationCompat.Builder builder =

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

@@ -1468,6 +1468,7 @@
     <string name="title_hint_operations">Deleting operations can result in disappearing messages and synchronization problems</string>
     <string name="title_op_title_headers">Downloading headers</string>
     <string name="title_op_title_raw">Downloading raw message</string>
+    <string name="title_op_title_add">Uploading message</string>
 
     <string name="title_folder_name">Folder name</string>
     <string name="title_display_name">Display name</string>