fix: mark more props as optional for element (#6448)

* fix: mark more props as optional for element

* fix

src/components/App.tsx

@@ -2732,7 +2732,6 @@ class App extends React.Component<AppProps, AppState> {
           strokeStyle: this.state.currentItemStrokeStyle,
           roughness: this.state.currentItemRoughness,
           opacity: this.state.currentItemOpacity,
-          roundness: null,
           text: "",
           fontSize,
           fontFamily,
@@ -2744,7 +2743,6 @@ class App extends React.Component<AppProps, AppState> {
             : DEFAULT_VERTICAL_ALIGN,
           containerId: shouldBindToContainer ? container?.id : undefined,
           groupIds: container?.groupIds ?? [],
-          locked: false,
           lineHeight,
         });