Fixed bug in menu

cvat-ui/src/components/annotation-page/standard-workspace/objects-side-bar/object-item.tsx

@@ -54,7 +54,7 @@ function ItemMenu(
     toForeground: (() => void),
 ): JSX.Element {
     return (
-        <Menu key='unique' className='cvat-object-item-menu'>
+        <Menu className='cvat-object-item-menu'>
             <Menu.Item>
                 <Button disabled={serverID === undefined} type='link' icon='link' onClick={createURL}>
                     Create object URL
@@ -75,7 +75,6 @@ function ItemMenu(
                 </Tooltip>
             </Menu.Item>
             { objectType !== ObjectType.TAG && (
-                <>
                 <Menu.Item>
                     <Tooltip title={`${toBackgroundShortcut}`}>
                         <Button type='link' onClick={toBackground}>
@@ -84,6 +83,8 @@ function ItemMenu(
                         </Button>
                     </Tooltip>
                 </Menu.Item>
+            )}
+            { objectType !== ObjectType.TAG && (
                 <Menu.Item>
                     <Tooltip title={`${toForegroundShortcut}`}>
                         <Button type='link' onClick={toForeground}>
@@ -92,7 +93,6 @@ function ItemMenu(
                         </Button>
                     </Tooltip>
                 </Menu.Item>
-                </>
             )}
             <Menu.Item>
                 <Tooltip title={`${removeShortcut}`}>