Edit Site: Fix canvasMode var (#66316)

Co-authored-by: tyxla <tyxla@git.wordpress.org>
Co-authored-by: ciampo <mciampini@git.wordpress.org>
Co-authored-by: Mamaduka <mamaduka@git.wordpress.org>
Co-authored-by: sirreal <jonsurrell@git.wordpress.org>

packages/edit-site/src/components/layout/index.js

@@ -170,18 +170,16 @@ export default function Layout( { route } ) {
 							</div>
 						) }
 
-					{ ! isMobileViewport &&
-						areas.edit &&
-						canvasMode !== 'edit' && (
-							<div
-								className="edit-site-layout__area"
-								style={ {
-									maxWidth: widths?.edit,
-								} }
-							>
-								{ areas.edit }
-							</div>
-						) }
+					{ ! isMobileViewport && areas.edit && canvas !== 'edit' && (
+						<div
+							className="edit-site-layout__area"
+							style={ {
+								maxWidth: widths?.edit,
+							} }
+						>
+							{ areas.edit }
+						</div>
+					) }
 
 					{ ! isMobileViewport && areas.preview && (
 						<div className="edit-site-layout__canvas-container">