Description
Tweak the wording for the icon link helper page and some of the recently modified callouts, add/move extra color accessibility callouts
Motivation & Context
Follow-up to https://github.com/twbs/bootstrap/pull/37762 and https://github.com/twbs/bootstrap/pull/37628
Live previews
- https://deploy-preview-37923--twbs-bootstrap.netlify.app/docs/5.3/components/dropdowns/#via-javascript
- https://deploy-preview-37923--twbs-bootstrap.netlify.app/docs/5.3/components/popovers/#usage
- https://deploy-preview-37923--twbs-bootstrap.netlify.app/docs/5.3/getting-started/rtl/#get-familiar
- https://deploy-preview-37923--twbs-bootstrap.netlify.app/docs/5.3/helpers/icon-link/
- https://deploy-preview-37923--twbs-bootstrap.netlify.app/docs/5.3/utilities/background/
- https://deploy-preview-37923--twbs-bootstrap.netlify.app/docs/5.3/utilities/colors/
- https://deploy-preview-37923--twbs-bootstrap.netlify.app/docs/5.3/helpers/color-background/