Block toolbar: hide styles dropdown in Revisions UI (#76119)

Co-authored-by: ramonjd <[email protected]>
Co-authored-by: tellthemachines <[email protected]>
Co-authored-by: andrewserong <[email protected]>

Author: 3 people

packages/block-editor/src/components/block-toolbar/block-toolbar-icon.js

@@ -71,7 +71,12 @@ function getBlockIconVariant( { select, clientIds } ) {
 
 	if ( _showBlockSwitcher ) {
 		return 'switcher';
-	} else if ( isContentOnlyMode && hasBlockStyles && ! hasPatternOverrides ) {
+	} else if (
+		isContentOnlyMode &&
+		hasBlockStyles &&
+		! hasPatternOverrides &&
+		canEdit
+	) {
 		return 'styles-only';
 	} else if ( _showPatternOverrides ) {
 		return 'pattern-overrides';