Allow dashboard widgets to render existing Kanban views

Scope & Context Dashboard users need to reuse saved views inside dashboards so they can monitor the same operational data without rebuilding a separate widget configuration. Current behavior When adding or editing a dashboard widget, record-based content is available as a table. Existing Kanban views cannot be selected and rendered inside a dashboard widget. A view reference used by the current record-table widget controls table configuration rather than the visual presentation. Expected behavior Add a dashboard widget option for an existing Kanban view. The user should be able to: • Select an object as the source. • Select one of that object’s active Kanban views. • Render the selected view as a Kanban board in the dashboard. • Edit the source object or selected view later. The widget must validate that the referenced view exists, is active, belongs to the selected object, and is a Kanban view. Existing table widgets and their view ownership lifecyc…