* Fix solution file
* Fixes the post_logout_redirect_uri parameter on the DefaultClientRequestParametersProvider
* Propagate state on ending session autoredirect
* Update defaults for local-spa profile to align them with template code
* Disable explicit support for WebApplications, it can still be enabled normally by configuring IS and we haven't evaluated the scenario E2E.
Changes:
* Fix broken tests and VS solutions caused by source code reorganization
* Add a check to validate generated code and solutions on PRs
* backport some source code reorg to src/Identity
* Fix startvs.cmd if you've already run build.ps1
* Add PR checks for tests on Linux/macOS
* Skip broken Nginx tests
* Add conditions to skip IIS tests on non-Windows platforms