Patch off-canvas dialog with.

ldp-core--ldp-990-off-canvas-dialog-width.patch

Index: lib/Drupal/Core/Ajax/OpenOffCanvasDialogCommand.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/lib/Drupal/Core/Ajax/OpenOffCanvasDialogCommand.php b/lib/Drupal/Core/Ajax/OpenOffCanvasDialogCommand.php
--- a/lib/Drupal/Core/Ajax/OpenOffCanvasDialogCommand.php	
+++ b/lib/Drupal/Core/Ajax/OpenOffCanvasDialogCommand.php	(date 1633988933771)
@@ -57,6 +57,8 @@
     if (!isset($this->dialogOptions['width'])) {
       $this->dialogOptions['width'] = static::DEFAULT_DIALOG_WIDTH;
     }
+    // Patched by ldp-core: Always use 45% width for off-canvas dialogs.
+    $this->dialogOptions['width'] = '45%';
   }
 
   /**