Magento 2.3.0 Group Icon Not Uploading

[mageprince]

Recently some developers reporting an issue in Magento 2.3.0 about group icon upload.

This issue is not reproducible into later versions of the Magento.

Check the below comment to solve this issue.

[mageprince]

Change formElement fileUploader to imageUploader of icon field from faq group form UI component.

File: app/code/Mageprince/Faq/view/adminhtml/ui_component/mageprince_faqgroup_form.xml

From:

<item name="formElement" xsi:type="string">fileUploader</item>

To:

<item name="formElement" xsi:type="string">imageUploader</item>

<field name="icon">
    <argument name="data" xsi:type="array">
        <item name="config" xsi:type="array">
            <item name="dataType" xsi:type="string">string</item>
            <item name="source" xsi:type="string">FaqGroup</item>
            <item name="label" xsi:type="string" translate="true">Group Image/Icon</item>
            <item name="visible" xsi:type="boolean">true</item>
            <item name="formElement" xsi:type="string">imageUploader</item>
            <item name="elementTmpl" xsi:type="string">ui/form/element/uploader/uploader</item>
            <item name="previewTmpl" xsi:type="string">Mageprince_Faq/image-preview</item>
            <item name="required" xsi:type="boolean">false</item>
            <item name="sortOrder" xsi:type="number">30</item>
            <item name="uploaderConfig" xsi:type="array">
                <item name="url" xsi:type="url" path="mageprince_faq/faqgroup/upload"/>
            </item>
        </item>
    </argument>
</field>