955871: Add custom component in the toolbar using template#4310

NithyaSivaprakasam wants to merge 5 commits intohotfix/hotfix-v30.1.37syncfusion-content/ej2-asp-core-mvc-docs:hotfix/hotfix-v30.1.37from

955871-templatesyncfusion-content/ej2-asp-core-mvc-docs:955871-templateCopy head branch name to clipboard