fix: move encrypted icon to excalidraw-app add separate animation for renderFooter prop (#3577)

* fix: move encrypted icon to excalidraw-app

* use grid & separate animation for custom footer

* update docs

* fix

src/types.ts

@@ -183,7 +183,7 @@ export interface ExcalidrawProps {
     event: ClipboardEvent | null,
   ) => Promise<boolean> | boolean;
   renderTopRightUI?: (isMobile: boolean, appState: AppState) => JSX.Element;
-  renderFooter?: (isMobile: boolean) => JSX.Element;
+  renderFooter?: (isMobile: boolean, appState: AppState) => JSX.Element;
   langCode?: Language["code"];
   viewModeEnabled?: boolean;
   zenModeEnabled?: boolean;