Styling to match the other tabs a bit closer

Introduces a new component to reduce code duplication

src/components/views/elements/LabelledToggleSwitch.js

@@ -0,0 +1,42 @@
+/*
+Copyright 2019 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
+
+    http://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.
+*/
+
+import React from 'react';
+import PropTypes from "prop-types";
+import ToggleSwitch from "./ToggleSwitch";
+
+export default class LabelledToggleSwitch extends React.Component {
+    static propTypes = {
+        // The value for the toggle switch
+        value: PropTypes.bool.isRequired,
+
+        // The function to call when the value changes
+        onChange: PropTypes.func.isRequired,
+
+        // The translated label for the switch
+        label: PropTypes.string.isRequired,
+    };
+
+    render() {
+        // This is a minimal version of a SettingsFlag
+        return (
+            <div className="mx_SettingsFlag">
+                <span className="mx_SettingsFlag_label">{this.props.label}</span>
+                <ToggleSwitch checked={this.props.value} onChange={this.props.onChange} />
+            </div>
+        );
+    }
+}