Add feedback mechanism for beta features

src/components/views/dialogs/BetaFeedbackDialog.tsx

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+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+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, {useState} from "react";
+
+import QuestionDialog from './QuestionDialog';
+import { _t } from '../../../languageHandler';
+import Field from "../elements/Field";
+import SdkConfig from "../../../SdkConfig";
+import {IDialogProps} from "./IDialogProps";
+import SettingsStore from "../../../settings/SettingsStore";
+import {submitFeedback} from "../../../rageshake/submit-rageshake";
+
+interface IProps extends IDialogProps {
+    featureId: string;
+}
+
+const BetaFeedbackDialog: React.FC<IProps> = ({featureId, onFinished}) => {
+    const info = SettingsStore.getBetaInfo(featureId);
+
+    const [comment, setComment] = useState("");
+
+    const sendFeedback = async (ok: boolean) => {
+        if (!ok) return onFinished(false);
+
+        submitFeedback(SdkConfig.get().bug_report_endpoint_url, info.feedbackLabel, comment);
+        onFinished(true);
+    };
+
+    return (<QuestionDialog
+        className="mx_FeedbackDialog"
+        hasCancelButton={true}
+        title={_t("Beta feedback")}
+        description={<React.Fragment>
+            { _t(info.feedbackSubheading) }
+
+            <Field
+                id="feedbackComment"
+                label={_t("Add comment")}
+                placeholder={_t("Comment")}
+                type="text"
+                autoComplete="off"
+                value={comment}
+                element="textarea"
+                onChange={(ev) => {
+                    setComment(ev.target.value);
+                }}
+            />
+        </React.Fragment>}
+        button={_t("Send feedback")}
+        buttonDisabled={!comment}
+        onFinished={sendFeedback}
+    />);
+};
+
+export default BetaFeedbackDialog;