Fix incorrect usage of ItemGroup in the Image block filters panel. (W…

…ordPress#67513)

* Fix incorrect usage of ItemGroup in the filters panel.

* Revert change for __next40pxDefaultSize.

* Restore empty line.

Co-authored-by: afercia <afercia@git.wordpress.org>
Co-authored-by: ciampo <mciampini@git.wordpress.org>
Co-authored-by: mirka <0mirka00@git.wordpress.org>
Co-authored-by: tyxla <tyxla@git.wordpress.org>

packages/block-editor/src/components/global-styles/filters-panel.js

@@ -10,10 +10,10 @@ import {
 	__experimentalToolsPanel as ToolsPanel,
 	__experimentalToolsPanelItem as ToolsPanelItem,
 	__experimentalItemGroup as ItemGroup,
+	__experimentalItem as Item,
 	__experimentalHStack as HStack,
 	__experimentalZStack as ZStack,
 	__experimentalDropdownContentWrapper as DropdownContentWrapper,
-	Button,
 	MenuGroup,
 	ColorIndicator,
 	DuotonePicker,
@@ -189,15 +189,12 @@ export default function FiltersPanel( {
 
 							return (
 								<ItemGroup isBordered isSeparated>
-									<Button
-										__next40pxDefaultSize
-										{ ...toggleProps }
-									>
+									<Item as="button" { ...toggleProps }>
 										<LabeledColorIndicator
 											indicator={ duotone }
 											label={ __( 'Duotone' ) }
 										/>
-									</Button>
+									</Item>
 								</ItemGroup>
 							);
 						} }