Superfluous import of modeleditor.css resource in modeleditor.pt

[mtrebron]

These lines

collective.easyform/src/collective/easyform/browser/modeleditor.pt

Lines 15 to 17 in 45059ea

	<style type="text/css"
	tal:content="string:@import url(${portal_url}/++resource++plone.app.dexterity.modeleditor.css);"
	></style>

lead to

2024-06-20 09:14:44,451 ERROR   [Zope.SiteErrorLog:17][waitress-0] NotFound: http://localhost:8888/Plone/++resource++plone.app.dexterity.modeleditor.css
Traceback (innermost last):
  Module ZPublisher.WSGIPublisher, line 181, in transaction_pubevents
  Module ZPublisher.WSGIPublisher, line 391, in publish_module
  Module ZPublisher.WSGIPublisher, line 269, in publish
  Module ZPublisher.BaseRequest, line 529, in traverse
  Module ZPublisher.HTTPResponse, line 987, in debugError
zExceptions.NotFound: Cannot locate object at: http://localhost:8888/Plone/++resource++plone.app.dexterity.modeleditor.css

in Plone 6.0.11. Removing the import from the template results in a nicely styled XML workspace.