Issue #3228196: Make it possible to configure the width and height of the media library

config/schema/media_library_extras.schema.yml

@@ -5,3 +5,9 @@ field.widget.third_party.media_library_extras:
     create:
       type: boolean
       label: 'Allow media to be added in the library'
+    width:
+      type: integer
+      label: 'Width of the media library modal dialog, as a percentage'
+    height:
+      type: integer
+      label: 'Height of the media library modal dialog, as a percentage'