Advanced filtering styling sample has no styling.

[MayaKirova]

Advanced filtering styling sample in wc/react/blazor:
https://staging.infragistics.com/products/ignite-ui-blazor/blazor/components/grids/grid/advanced-filtering#demo
https://staging.infragistics.com/products/ignite-ui-web-components/web-components/components/grids/grid/advanced-filtering#demo
https://staging.infragistics.com/products/ignite-ui-react/react/components/grids/grid/advanced-filtering#demo

Has no custom styling after latest updates in the advanced filtering UI.

[MayaKirova]

@dkamburov The filtering theming variable no longer work in angular. Not sure if it's intentional or not, since they are still exposed as variables on the grid, but the new advanced dialog UI does not use them, so I logged it here: IgniteUI/igniteui-angular#15997