Issue #3469743: Allow to set canva width and add reset button

config/schema/sign_widget_plugin.schema.yml

@@ -18,7 +18,7 @@ ckeditor5.plugin.sign_widget_plugin:
       type: string
       label: 'Background color'
     canvasWidth:
-      type: string
+      type: integer
       label: 'Canvas width'
     show_remove_btn:
       type: boolean

src/Plugin/CKEditor5Plugin/Signature.php

@@ -56,7 +56,7 @@ class Signature extends CKEditor5PluginDefault implements CKEditor5PluginConfigu
       'local' => FALSE,
       'file_directory' => 'inline-images',
       'canvasWidth' => 288,
-      'enableResetButton' => TRUE,
+      'show_remove_btn' => TRUE,
     ];
   }