From 9b8eb314cc3d202b95d71b54465a091189cde20c Mon Sep 17 00:00:00 2001
From: Paul Weidner <paul.weidner@gmail.com>
Date: Fri, 25 Aug 2023 11:38:25 -0700
Subject: [PATCH] Class attributes is an array

---
 modules/core/ui/metrics/src/Plugin/Block/FarmMetricsBlock.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/core/ui/metrics/src/Plugin/Block/FarmMetricsBlock.php b/modules/core/ui/metrics/src/Plugin/Block/FarmMetricsBlock.php
index 538d9ce0f..4c4bf92dd 100644
--- a/modules/core/ui/metrics/src/Plugin/Block/FarmMetricsBlock.php
+++ b/modules/core/ui/metrics/src/Plugin/Block/FarmMetricsBlock.php
@@ -82,7 +82,7 @@ class FarmMetricsBlock extends BlockBase implements ContainerFactoryPluginInterf
     $output['asset']['metrics'] = [
       '#type' => 'container',
       '#attributes' => [
-        'class' => 'assets metrics-container',
+        'class' => ['assets', 'metrics-container'],
       ],
     ];
     $metrics = $this->getEntityMetrics('asset');
@@ -107,7 +107,7 @@ class FarmMetricsBlock extends BlockBase implements ContainerFactoryPluginInterf
     $output['log']['metrics'] = [
       '#type' => 'container',
       '#attributes' => [
-        'class' => 'logs metrics-container',
+        'class' => ['logs', 'metrics-container'],
       ],
     ];
     $metrics = $this->getEntityMetrics('log');