Makes editor on main page writeable. (#3976)

website/src/website/components/monaco/MonacoEditor.tsx

@@ -249,6 +249,7 @@ export class MonacoDiffEditor extends React.Component<
 			minimap: { enabled: false },
 			automaticLayout: false,
 			theme: this.props.theme,
+			originalEditable: true,
 		});
 		this.editor.setModel({
 			original: this.props.originalModel,

website/src/website/pages/home/Home.tsx

@@ -217,6 +217,7 @@ class EditorDemo extends React.Component {
 						value={this.currentSample.value || "loading..."}
 						language={this.currentLanguage?.id}
 						theme={this.currentTheme.id}
+						onDidValueChange={() => {}}
 					/>
 				</div>
 			</div>