I would like to see Imagery Services widgets in Experience Builder, as I've just used one from WAB "classic" and am impressed. I was able to configure, change things, it was great. Built by ESRI. But on JSAPI 3.x, WAB 2.x.
Looking forward, have been using ExB when and where I can.
See:
https://github.com/Esri/WAB-Image-Services-Widgets
for prior WAB widgets mentioned.