AzureMonitor: User authentication support (#81918)

* Stub out frontend user auth

* Stub out backend user auth

* Add context

* Reorganise files

* Refactor app registration form

* Alert for user auth service principal credentials

* AzureMonitor: Add flag for enabling/disabling fallback credentials for current user authentication (#82332)

* Rename field

* Add fallback setting

* Update tests and mock

* Remove duplicate setting line

* Update name of property

* Update frontend settings

* Update docs and default config files

* Update azure-sdk

* Fix lint

* Update test

* Bump dependency

* Update configuration

* Update docs/sources/setup-grafana/configure-grafana/_index.md

Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

* Docs review

* AzureMonitor: User authentication frontend updates (#83107)

* Rename field

* Add fallback setting

* Update tests and mock

* Remove duplicate setting line

* Update name of property

* Update frontend settings

* Update docs and default config files

* Add alerts to query editor

- Add authenticatedBy property to grafana/data
- Update mocks
- Update query editor to disable it under certain circumstances
- Update tests

* Add separate FallbackCredentials component

- Reset AppRegistrationCredentials component to only handle clientsecret credentials
- Update AzureCredentialsForm
- Update selectors
- Update tests
- Update credentials utility functions logic

* Alert when fallback credentials disabled

* Update condition

* Update azure-sdk

* Fix lint

* Update test

* Remove unneeded conditions

* Set auth type correctly

* Legacy cloud options

* Fix client secret

* Remove accidental import

* Bump dependency

* Add tests

* Don't use VerticalGroup component

* Remove unused import

* Fix lint

* Appropriately set oAuthPassThru and disableGrafanaCache properties

* Clear azureCredentials on authType change

* Correctly retrieve secret

* Fix bug in authTypeOptions

* Update public/app/plugins/datasource/azuremonitor/components/ConfigEditor/CurrentUserFallbackCredentials.tsx

Co-authored-by: Andrew Hackmann <5140848+bossinc@users.noreply.github.com>

* Update public/app/plugins/datasource/azuremonitor/components/QueryEditor/QueryEditor.tsx

Co-authored-by: Andrew Hackmann <5140848+bossinc@users.noreply.github.com>

* Update public/app/plugins/datasource/azuremonitor/components/ConfigEditor/CurrentUserFallbackCredentials.tsx

Co-authored-by: Andrew Hackmann <5140848+bossinc@users.noreply.github.com>

* Add documentation links

* Fix broken link

---------

Co-authored-by: Andrew Hackmann <5140848+bossinc@users.noreply.github.com>

* AzureMonitor: Update docs for current user authentication (#83440)

* Rename field

* Add fallback setting

* Update tests and mock

* Remove duplicate setting line

* Update name of property

* Update frontend settings

* Update docs and default config files

* Add alerts to query editor

- Add authenticatedBy property to grafana/data
- Update mocks
- Update query editor to disable it under certain circumstances
- Update tests

* Add separate FallbackCredentials component

- Reset AppRegistrationCredentials component to only handle clientsecret credentials
- Update AzureCredentialsForm
- Update selectors
- Update tests
- Update credentials utility functions logic

* Alert when fallback credentials disabled

* Update condition

* Update azure-sdk

* Fix lint

* Update test

* Remove unneeded conditions

* Set auth type correctly

* Legacy cloud options

* Fix client secret

* Remove accidental import

* Bump dependency

* Add tests

* Don't use VerticalGroup component

* Remove unused import

* Update docs

* Fix lint

* Appropriately set oAuthPassThru and disableGrafanaCache properties

* Clear azureCredentials on authType change

* Correctly retrieve secret

* Feedback

* Spelling

* Update docs/sources/datasources/azure-monitor/_index.md

Co-authored-by: Larissa Wandzura <126723338+lwandz13@users.noreply.github.com>

* Update docs/sources/datasources/azure-monitor/_index.md

Co-authored-by: Larissa Wandzura <126723338+lwandz13@users.noreply.github.com>

* Update docs/sources/datasources/azure-monitor/_index.md

Co-authored-by: Larissa Wandzura <126723338+lwandz13@users.noreply.github.com>

* Update docs/sources/datasources/azure-monitor/_index.md

Co-authored-by: Larissa Wandzura <126723338+lwandz13@users.noreply.github.com>

---------

Co-authored-by: Larissa Wandzura <126723338+lwandz13@users.noreply.github.com>

* Docs review

* Update docs with additional configuration information

* Fix to appropriately hide the query editor

* Typo

* Update isCredentialsComplete

* Update test

---------

Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>
Co-authored-by: Andrew Hackmann <5140848+bossinc@users.noreply.github.com>
Co-authored-by: Larissa Wandzura <126723338+lwandz13@users.noreply.github.com>

docs/sources/setup-grafana/configure-grafana/_index.md

@@ -1202,6 +1202,12 @@ Specifies whether user identity authentication (on behalf of currently signed-in
 
 Disabled by default, needs to be explicitly enabled.
 
+### user_identity_fallback_credentials_enabled
+
+Specifies whether user identity authentication fallback credentials should be enabled in data sources. Enabling this allows data source creators to provide fallback credentials for backend-initiated requests, such as alerting, recorded queries, and so on.
+
+It is by default and needs to be explicitly disabled. It will not have any effect if user identity authentication is disabled.
+
 ### user_identity_token_url
 
 Override token URL for Azure Active Directory.