Added auto delete for junk folder

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

@@ -3194,7 +3194,8 @@ class Core {
                 for (Long tbd : tbds) {
                     EntityMessage message = db.message().getMessage(tbd);
                     if (message != null && trash != null)
-                        if (EntityFolder.TRASH.equals(folder.type))
+                        if (EntityFolder.TRASH.equals(folder.type) ||
+                                EntityFolder.JUNK.equals(folder.type))
                             EntityOperation.queue(context, message, EntityOperation.DELETE);
                         else
                             EntityOperation.queue(context, message, EntityOperation.MOVE, trash.id);

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

@@ -71,7 +71,7 @@ import io.requery.android.database.sqlite.SQLiteDatabase;
 // https://developer.android.com/topic/libraries/architecture/room.html
 
 @Database(
-        version = 224,
+        version = 225,
         entities = {
                 EntityIdentity.class,
                 EntityAccount.class,
@@ -2266,6 +2266,14 @@ public abstract class DB extends RoomDatabase {
                         logMigration(startVersion, endVersion);
                         db.execSQL("ALTER TABLE `attachment` ADD COLUMN `media_uri` TEXT");
                     }
+                }).addMigrations(new Migration(224, 225) {
+                    @Override
+                    public void migrate(@NonNull SupportSQLiteDatabase db) {
+                        logMigration(startVersion, endVersion);
+                        db.execSQL("UPDATE folder" +
+                                " SET auto_delete = 0" +
+                                " WHERE type ='" + EntityFolder.JUNK + "'");
+                    }
                 }).addMigrations(new Migration(998, 999) {
                     @Override
                     public void migrate(@NonNull SupportSQLiteDatabase db) {

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

@@ -346,7 +346,9 @@ public class FragmentFolder extends FragmentBase {
                 tvAutoClassifyPro.setVisibility(canAutoClassify && !pro ? View.VISIBLE : View.GONE);
                 etKeepDays.setEnabled(!cbKeepAll.isChecked());
                 cbAutoDelete.setEnabled(!cbKeepAll.isChecked());
-                cbAutoDelete.setText(folder != null && EntityFolder.TRASH.equals(folder.type)
+                cbAutoDelete.setText(folder != null &&
+                        (EntityFolder.TRASH.equals(folder.type) ||
+                                EntityFolder.JUNK.equals(folder.type))
                         ? R.string.title_auto_delete : R.string.title_auto_trash);
                 grpAutoDelete.setVisibility(canAutoDelete ? View.VISIBLE : View.GONE);
                 tvAutoDeleteArchiveHint.setVisibility(canAutoDelete && isArchive ? View.VISIBLE : View.GONE);