[sqladmin-912] - Add perform context functions, DateRange filter, JSON export, and other tweaks...#913

sergei-vasilev-dev wants to merge 5 commits intoaminalaee:mainaminalaee/sqladmin:mainfrom

sergei-vasilev-dev:feature/sqladmin-912_perform_template_contextsergei-vasilev-dev/sqladmin:feature/sqladmin-912_perform_template_contextCopy head branch name to clipboard