Exported image does not match the display orgchart

[techteam-bln]

I want to use the export button for my generated orgcharts but this works not like expected at the moment.
I test it with Vaadin 14.0.15 and 14.1.16 and OrgChartAddon 4.0.2

Inside the build part: update-frontend I've got following warnings:
`WARNING in ../node_modules/@vaadin/flow-frontend/fc-orgchart.js?babel-target=es5 121:27-38
"export 'default' (imported as 'html2canvas') was not found in 'html2canvas'
@ ../target/frontend/generated-flow-imports.js?babel-target=es5

WARNING in ../node_modules/@vaadin/flow-frontend/fc-orgchart.js?babel-target=es5 63:31-37
"export 'default' (imported as 'jQuery') was not found in 'jquery'
@ ../target/frontend/generated-flow-imports.js?babel-target=es5
[INFO] update-frontend took 13740ms.`

I add an image with
row 1: export results
row 2: screenshot from the browser

col left: normal usage of title and name
col right: using an template so show an image as content

In addition to this problem, I also doesn't see the arrows to collapse or expand the nodes.