OIDC initiated sessions should listen for channel logout

### Current Behavior:

- User connects to DT through OIDC
- User session gets forcibly closed from the OpenID Provider (OP)

-> User remains logged (forever) in DT

Reason: DT token does not expire, DT FrontEnd not aware of logout through OP

### Proposed Behavior:

Implement either [Front Channel Logout](https://openid.net/specs/openid-connect-frontchannel-1_0.html) or [Back Channel Logout](https://openid.net/specs/openid-connect-backchannel-1_0.html)

Second approach is more robust but would require a complete paradigm shift in the current session management approach used by DT.