FLUT-964937 - [Others] Included a Calendar UG improvement changes in hotfix branch#1294

VijayakumarMariappan merged 4 commits intohotfix/hotfix-v30.1.37syncfusion-content/flutter-docs:hotfix/hotfix-v30.1.37from

FLUT-964937-calendar-UG-hotfixsyncfusion-content/flutter-docs:FLUT-964937-calendar-UG-hotfixCopy head branch name to clipboard