Joined Publicly 'Shared' Notebooks not visible in the account nor searchable

[HighD 0]

I joined a notebook which is publicly shared, however the shared notebook isnt visible anywhere in my web platform as well as the windows application. Only the original link is tunneling to the below shown page but general account doesnt include the notebook. Even searching isnt producing any results.

 

 

I tried syncing joined notebooks in the windows application but it isnt displaying any results as shown below.

 

 

There is not display of the joined notebook in the web as well as windows application as shown below.