only in patch2:
unchanged:
--- a/core/themes/stable/css/core/dialog/off-canvas.reset.css
+++ b/core/themes/stable/css/core/dialog/off-canvas.reset.css
@@ -822,6 +822,10 @@
   resize: vertical;
 }
 
+#drupal-off-canvas select[multiple] {
+  overflow: auto;
+}
+
 #drupal-off-canvas optgroup {
   color: black;
   font-weight: normal;
only in patch2:
unchanged:
--- a/core/themes/stable/css/core/dialog/off-canvas.reset.pcss.css
+++ b/core/themes/stable/css/core/dialog/off-canvas.reset.pcss.css
@@ -444,6 +444,9 @@
   min-height: 40px;
   resize: vertical;
 }
+#drupal-off-canvas select[multiple] {
+  overflow: auto;
+}
 #drupal-off-canvas optgroup {
   color: black;
   font-weight: normal;
only in patch2:
unchanged:
--- a/core/themes/stable9/css/core/dialog/off-canvas.reset.css
+++ b/core/themes/stable9/css/core/dialog/off-canvas.reset.css
@@ -822,6 +822,10 @@
   resize: vertical;
 }
 
+#drupal-off-canvas select[multiple] {
+  overflow: auto;
+}
+
 #drupal-off-canvas optgroup {
   color: black;
   font-weight: normal;
only in patch2:
unchanged:
--- a/core/themes/stable9/css/core/dialog/off-canvas.reset.pcss.css
+++ b/core/themes/stable9/css/core/dialog/off-canvas.reset.pcss.css
@@ -444,6 +444,9 @@
   min-height: 40px;
   resize: vertical;
 }
+#drupal-off-canvas select[multiple] {
+  overflow: auto;
+}
 #drupal-off-canvas optgroup {
   color: black;
   font-weight: normal;