Add missing key attribute in main app bar render method

Feature #13590

Arvados-DCO-1.1-Signed-off-by: Michal Klobukowski <michal.klobukowski@contractors.roche.com>

diff --git a/src/components/main-app-bar/main-app-bar.tsx b/src/components/main-app-bar/main-app-bar.tsx
index e7b0e20ee519f3fc9944f7e08fe402667a32df6f..7e0182e2715aee0ada8c038a7696f4b1c055bc06 100644 (file)
--- a/src/components/main-app-bar/main-app-bar.tsx
+++ b/src/components/main-app-bar/main-app-bar.tsx
@@ -99,7 +99,7 @@ export class MainAppBar extends React.Component<MainAppBarProps> {
 
     renderMenuForAnonymous = () => {
         return this.props.menuItems.anonymousMenu.map((item, index) => (
-            <Button color="inherit" onClick={() => this.props.onMenuItemClick(item)}>{item.label}</Button>
+            <Button key={index} color="inherit" onClick={() => this.props.onMenuItemClick(item)}>{item.label}</Button>
         ))
     }