Disabled dead auth tests (microsoft#1879)

* OAuthPrompt was constructing InvokeResponse incorrectly in some cases. (microsoft#1798)

Co-authored-by: Axel Suárez <[email protected]>

* Delete app ids, pws. (microsoft#1802)

* Delete app ids, pws.

* Comment out broken tests.

* Comment out the final failing test.

* Formatted for Black compliance

* lint fixes

* Another black-compliance fix.

Co-authored-by: Axel Suárez <[email protected]>
Co-authored-by: BruceHaley <[email protected]>

Fix get_conversation_reference in skill_handler_impl (microsoft#1765)

Co-authored-by: Santiago Grangetto <[email protected]>

SSO Token Exchange Middleware (microsoft#1641) (microsoft#1642)

* SSO Token Exchange Middleware

* Teams SSO middleware updates

* update teams sso exchange middleware cosmosdb message

* Black formatting

* removing unnessary pass

Co-authored-by: Eric Dahlvang <[email protected]>

Co-authored-by: Eric Dahlvang <[email protected]>

Axsuarez/4.12 cherry picks (microsoft#1540)

* Add TabEntityContext to init.py (microsoft#1538)

* axelsrz/export-dialogs-memory (microsoft#1539)

Co-authored-by: Eric Dahlvang <[email protected]>

Invoke with expected replies (microsoft#1427)

Add end_on_invalid_message and fix timeout issue (microsoft#1339)

* Add end_on_invalid_message and fix timeout issue

* fixing pylint

Co-authored-by: Axel Suarez <[email protected]>

SkillDialog activity type handling updates (microsoft#1057)

Axsuarez/qna model fix (microsoft#868)

use get_access_token in signed_session, to ensure the Authorization t…

…oken in the session is not expired (microsoft#602)

Merge pull request microsoft#536 from microsoft/eric/fixGetTeamsConne…

…ctorClient

Teams connector client creation cleanup