fix dblist type bug for the widget in the launcher

Author: CampelloManuel

app/src/main/java/com/nononsenseapps/notepad/widget/list/ListWidgetService.java

@@ -311,8 +311,8 @@ public void onDataSetChanged() {
 				// if user does not want to also show completed tasks in widget, the query
 				// will filter away database records with a "completed" unix time
 				listWhere = isShowingCompleted
-						? Task.Columns.DBLIST + " IS ?"
-						: Task.Columns.DBLIST + " IS ? AND " + Task.Columns.COMPLETED + " IS NULL";
+						? "CAST(" + Task.Columns.DBLIST + " AS INTEGER) IS ?"
+						: "CAST(" + Task.Columns.DBLIST + " AS INTEGER) IS ? AND " + Task.Columns.COMPLETED + " IS NULL";
 			} else {
 				// all list ids
 				listArg = null;