Added source to beta editor feedback (#17586)

no refs
- will return post, page, or settings

ghost/admin/app/components/feedback-lexical/send-button.js

@@ -18,9 +18,11 @@ export default class FeedbackLexicalSendButtonComponent extends Component {
     @task({drop: true})
     *submitFeedback() {
         let url = `https://submit-form.com/us6uBWv8`;
+        let source;
 
         let postData;
         if (this.args?.post) {
+            source = this.args?.post?.isPost ? 'Post' : 'Page';
             postData = {
                 PostId: this.args.post?.id,
                 PostTitle: this.args.post?.title
@@ -40,7 +42,8 @@ export default class FeedbackLexicalSendButtonComponent extends Component {
 
         let data = {
             ...ghostData,
-            ...postData
+            ...postData,
+            Source: source || 'Settings'
         };
 
         let response = yield this.ajax.post(url, {data});