Fix crash in widget queries

app/src/main/java/com/todoroo/astrid/subtasks/SubtasksHelper.java

@@ -1,7 +1,7 @@
 package com.todoroo.astrid.subtasks;
 
 import static org.tasks.Strings.isNullOrEmpty;
-import static org.tasks.db.QueryUtils.showHidden;
+import static org.tasks.db.QueryUtils.showHiddenAndCompleted;
 
 import android.content.Context;
 import androidx.annotation.NonNull;
@@ -146,7 +146,7 @@ public class SubtasksHelper {
 
       query = query.replaceAll("ORDER BY .*", "");
       query = query + String.format(" ORDER BY %s", getOrderString(tagData, tlm));
-      query = showHidden(query);
+      query = showHiddenAndCompleted(query);
 
       filter.setFilterQueryOverride(query);
     }

app/src/main/java/org/tasks/data/TaskListQueryNonRecursive.kt

@@ -32,7 +32,7 @@ internal object TaskListQueryNonRecursive {
         } else {
             "$query GROUP BY ${Task.ID}"
         }
-        return listOf(
+        return mutableListOf(
                 Query.select(*FIELDS)
                         .withQueryTemplate(PermaSql.replacePlaceholdersForQuery(groupedQuery))
                         .from(Task.TABLE)

app/src/main/java/org/tasks/data/TaskListQueryRecursive.kt

@@ -103,7 +103,7 @@ internal object TaskListQueryRecursive {
             ) SELECT * FROM recursive_tasks
         """.trimIndent()
 
-        return listOf(
+        return mutableListOf(
                 "DROP TABLE IF EXISTS `temp`.`recursive_tasks`",
                 SortHelper.adjustQueryForFlags(preferences, withClause),
                 "CREATE INDEX `r_tasks` ON `recursive_tasks` (`task`)",