feat: re-write usage of Array.findIndex() (#1108)
feat: re-write usage of Array.findIndex() (#1108)

* fix: Removed extra div in tooltipsimple

* chore: Added find-index to polyfills

* chore: Changed findIndex to map/indexOf

* chore: Reverted by removing new polyfill

* chore: cleaned up conditioanl to use -1

* chore: remove unnecessary const

* change to fat arrow

* chore: adding merged files from master

* chore: changed let to const

carbon-design-system/carbon-components-react,carbon-design-system/carbon-components-react,carbon-design-system/carbon-components,carbon-design-system/carbon-components,carbon-design-system/carbon-components,joshblack/carbon-components-react,joshblack/carbon-components-react