Merge kb-combogrid-2395 into production (#2403)

* kb(multicolumncombobox): Add KB for custom MultiColumnComboBox with Grid

* Update knowledge-base/multicolumncombobox-grid.md

* polishing and improvements

* Update knowledge-base/multicolumncombobox-grid.md

Co-authored-by: Yordan <[email protected]>

* Update knowledge-base/multicolumncombobox-grid.md

Co-authored-by: Yordan <[email protected]>

* Update knowledge-base/multicolumncombobox-grid.md

Co-authored-by: Yordan <[email protected]>

---------

Co-authored-by: Dimo Dimov <[email protected]>
Co-authored-by: Yordan <[email protected]>

Author: 3 people

components/multicolumncombobox/columns/overview.md

@@ -98,4 +98,5 @@ To bind data to the `<MultiColumnComboBoxColumn>` you can use the `Field`. This
 
 ## See Also
 
-  * [Templates]({% slug multicolumncombobox-templates %})
+* [Templates]({% slug multicolumncombobox-templates %})
+* [Use Custom MultiColumnComboBox with Grid]({%slug multicolumncombobox-kb-grid%})