Added new kb article grid-handle-empty-popup-footer#2414

ntacheva merged 5 commits intomastertelerik/blazor-docs:masterfrom

new-kb-grid-handle-empty-popup-footer-5e2d994c72b14a55bc713e25d5aaa18atelerik/blazor-docs:new-kb-grid-handle-empty-popup-footer-5e2d994c72b14a55bc713e25d5aaa18aCopy head branch name to clipboard