documentation(EJ2-996127): Add a UG Section on Events Triggered During Editing and Clipboard Actions in Spreadsheet#2119

DinakarManickam4212 wants to merge 3 commits intohotfix/hotfix-v32.1.19syncfusion-content/document-processing-docs:hotfix/hotfix-v32.1.19from

EJ2-996127-react-hotfixsyncfusion-content/document-processing-docs:EJ2-996127-react-hotfixCopy head branch name to clipboard