Let's create a Native Web Map Application Sidebar Widget for our OIC Catalog that can either "Slide" out on opening of the map or can be toggled on. I was able to somewhat create this without OIC Catalog Creation with an ESRI Experience & a 3rd-party 360 Virtual Tour Creator and the "Embed" functionallity within Experience Builder.
Of course, everything revolves around the OIC Workflow and how it deals/handles 360 Imagery (which is very convoluted currently). I have "Demoed" this Creation to colleagues at work and they are exceptionally excited about this for possible Outdoor-related Asset Management/Documentation/Inventory needs.
Sample of what this looks like:

Here is the Link to my Experience - please follow the instructions listed on the site:
https://experience.arcgis.com/experience/a1b01644f61b43d2aceb5c66f902d905/