A11y report bugs

[evwilkin]

Epic tracking the issues found in 4/23/24 a11y report - https://pf-a11y_4-23-24.surge.sh/

### Testing-your-accessibility
- [ ] <li> elements must be contained in a <ul> or <ol>
- [ ] li elements must be contained in a ul or

### Panel/HTML
- [ ] Scrollable region must have keyboard access

### Sidebar/html
- [ ] Scrollable region must have keyboard access

### components/table
- [ ] Scrollable region must have keyboard access

### components/table/html
- [ ] Scrollable region must have keyboard access

### extensions/component-groups/shortcut-grid
- [ ] id attribute value must be unique

### training/html-fundamentals-training
- [ ] IDs used in ARIA and labels must be unique

[nicolethoen]

replaced by: patternfly/pf-roadmap#224