Getting error when there are spaces in an imageExpression file name

[TimSC]

Context

• MapFish print version: core-3.29.4
• Java version: ?
• OS: docker image osgeo/gdal:ubuntu-full-3.4.1 as base

Describe the bug

We are getting below error when we are using spaces in image path: 

net.sf.jasperreports.engine.JRException: net.sf.jasperreports.engine.JRException: Byte data not found at: http://localhost:8070/webdav/Space In Name.jpg.
    at com.jaspersoft.studio.editor.preview.view.control.ReportControler.fillReport(ReportControler.java:511)

Sample jrxml

<detail>
    <band height="15">
        <image>
            <reportElement x="0" y="0" width="50" height="10" />
            <imageExpression>
                <![CDATA["http://localhost:8070/webdav/Space In Name.jpg"]]>
            </imageExpression>
        </image>
    </band>
</detail>

The bug is discussed here https://community.jaspersoft.com/questions/1118421/getting-error-when-there-are-spaces-image-path-671 so I suspect this is upstream issue?

[sbrunner]

It looks like that the filename should be URL encoded...

[TimSC]

I've tried URL encoding and XML entities without success.