make tooltips hover-able and dismiss-able

[RyanBerliner]

closes #28411

Makes tooltips wcag 1.4.13 conforming by providing a means to dismiss tooltips without moving the cursor, and allows users to hover the tooltip content. Tooltips are dismissed with the escape key.

Preview Link

Resources

• wcag 1.4.13 - content on hover or focus
• (in progress) tooltip design pattern recommendation

Todo

• [ ] confirm & revise desired behavior
• [ ] fix & add tests