Don't reset the SSS toggle when logged out.

Instead, force a logout when toggling the option so user needs to log in again and create a new session using SSS.

features/logout/api/src/main/kotlin/io/element/android/features/logout/api/LogoutUseCase.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.logout.api
+
+/**
+ * Used to trigger a log out of the current user from any part of the app.
+ */
+interface LogoutUseCase {
+    /**
+     * Log out the current user and then perform any needed cleanup tasks.
+     * @param ignoreSdkError if true, the SDK error will be ignored and the user will be logged out anyway.
+     */
+    suspend fun logout(ignoreSdkError: Boolean)
+}