Added subject propagation during WebSocket methods calls

[sleshchenko]

What does this PR do?

Adds subject propagation during WebSocket methods calls. It includes:

• Adds storing of Che Subject into http session in MachineLogin filters
• Removes excluding for WebSocket endpoint path from MachineLoginFilter binding;
• Adds settings subject into EnvironmentContext during WebSocket methods calls;

It also does the following small fix:

• Moves exclude of OIDCKeycloak.js to mapping instead of Filter class;

What issues does this PR fix or reference?

It is needed for #10861.

Release Notes

N/A

Docs PR

N/A

[sleshchenko]

ci-test

[riuvshin]

ci-test build report:
Build details
Test report
selenium tests report data
docker image: eclipseche/che-server:10922
https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.

[sleshchenko]

ci-test

[riuvshin]

ci-test build report:
Build details
Test report
selenium tests report data
docker image: eclipseche/che-server:10922
https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.