From 84a22c3f98ae180fea6e6c0e03e8ffe4c5934469 Mon Sep 17 00:00:00 2001
From: Mike Schroder <mikeschroder@git.wordpress.org>
Date: Tue, 13 Jul 2021 14:03:19 +0000
Subject: [PATCH] =?UTF-8?q?Customizer:=20Don=E2=80=99t=20always=20set=20`n?=
 =?UTF-8?q?ormalizedTransitionendEventName`=20to=20`null`.?=
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Reverts [51389].

Unprops mikeschroder.
See #53562.



git-svn-id: https://develop.svn.wordpress.org/trunk@51417 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/js/_enqueues/wp/customize/controls.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/_enqueues/wp/customize/controls.js b/src/js/_enqueues/wp/customize/controls.js
index e5d079293b..c8ee3de8df 100644
--- a/src/js/_enqueues/wp/customize/controls.js
+++ b/src/js/_enqueues/wp/customize/controls.js
@@ -906,7 +906,7 @@
 			'WebkitTransition': 'webkitTransitionEnd'
 		};
 		prop = _.find( _.keys( transitions ), function( prop ) {
-			return ! _.isUndefined( el.style[ prop ] ) && ! _.isEmpty( el.style[ prop ] );
+			return ! _.isUndefined( el.style[ prop ] );
 		} );
 		if ( prop ) {
 			return transitions[ prop ];