fix(a11y): align Restore Workspace button accessible name with visible label (#1547)

The button's aria-label was "Restore from backup" while the visible text
was "Restore Workspace", violating WCAG 2.5.3 (Label in Name). Removing
the aria-label lets the visible text serve as the accessible name.

Fixes: https://issues.redhat.com/browse/CRW-10720

Assisted-by: Claude Opus 4.6 (1M context)

Signed-off-by: Oleksii Kurinnyi <okurinny@redhat.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: akurinnoy

packages/dashboard-frontend/src/pages/WorkspacesList/BackupsView/Toolbar/index.tsx

@@ -108,7 +108,6 @@ export class BackupsListToolbar extends React.PureComponent<Props> {
                 icon={<RedoIcon />}
                 iconPosition="left"
                 variant={ButtonVariant.link}
-                aria-label="Restore from backup"
                 onClick={() => onRestoreClick()}
                 data-testid="restore-from-backup-button"
               >