Page builder in custom form can’t apply template or configure element

I have added a page builder field to my admin form but it seems I can’t apply any templates (the dialog doesn’t show up and neither do any errors) and configure any elements (same behaviour). I can save templates no problem.

The code for the form element:

<field name="short_content" formElement="wysiwyg" sortOrder="10">
    <argument name="data" xsi:type="array">
        <item name="config" xsi:type="array">
            <item name="source" xsi:type="string">Category</item>
        </item>
    </argument>
    <settings>
        <additionalClasses>
            <class name="admin__field-wide">true</class>
        </additionalClasses>
        <label translate="true">Short Content</label>
        <dataScope>short_content</dataScope>
    </settings>
    <formElements>
        <wysiwyg>
            <settings>
                <wysiwyg>true</wysiwyg>
            </settings>
        </wysiwyg>
    </formElements>
</field>