Issue with the grid component - Scrollable element is not keyboard accessible - Siteimprove issue

[meols]

Please see this report in siteimprove:
https://my2.siteimprove.com/Accessibility/550893/NextGen/Issue/1?ruleId=84&pageSegments=&issueKind=1&exceptTags=1,2&conformance=&siteTargetIssueKinds=1&siteTarget.conformanceLevels=0,1&siteTarget.issueKinds=1&siteTarget.scoreType=1