Chore: Eliminate implicit anys in backend_srv

* repalced rems with pixels and variables

* replaced rems with pixels and variables

* replaced rem with pixels or variables

* replaced rems with pixels or variables

* repalced rems with pixels and variables

Fixes #16040

Fix so that a template variable in the alias field is not interpolated on blur and only the value sent in the query is interpolated. Does a deep clone of the options.targets to avoid changing the original alias field.

* Docs: Updated changelog for 6.1 release

Also Updates the changelog cli task to group issues into bug fixes
and not bug fixes.

* Minor changelog fixes

Now returns uid in response to get notification channel by id.
Adds GET/PUT/DELETE support for notification channel by uid, 
  /api/alert-notifications/uid/:uid.
Break apart alerting and alert notification http api docs in two 
  pages and update documentation to make it up to date
  with current implementation.

Fixes #16012

docs: loki provisioning

There's no point in reading the body response without using
the result so removing it.

Fixes #9199
Ref #16207

Add oauth pass-thru option for datasources

* Update readmes

* Fix devenv dasboard query

* Update devenv readme

* Add link to devenv from docs

Fixes #14590

fix(react2angular): Fixed react to angular wrapper watching function expressions causing infinte digest loop, fixes #16194 (#16196)

* replace with Input component from grafana/ui

* removing placeholder classname

* change import

* fix import

Signed-off-by: Steven Sheehy <ssheehy@firescope.com>

update cloudwatch metrics/dimensions list

* Add typings

* Remove explicit cast

* set the plugin version if there is a migration handler
* only call panel migration if the version changes
* set the version after change also
* avoid NPE... check that we have options
* destroy is based on the previous panel type, not the next one
* Panels: Minor refactoring on panel plugin version code, #16186

* feat(explore): make it possible to close left pane of split view

* Use action's type prop instead of enum

* Migrated loki syntax and labels logic to useLokiSyntax hook

* Enable loki labels  refresh after specified interval has passed

* Enable periodic loki labels refresh when labels selector is opened

* Fix prettier

* Add react-hooks-testing-library and disable lib check on typecheck

* Add tests for loki syntax/label hooks

* Move tsc's skipLibCheck option to tsconfig for webpack to pick it up

* Set log labels refresh marker variable when log labels fetch start

* Fix prettier issues

* Fix type on activeOption in useLokiLabel hook

* Typo fixes and types in useLokiSyntax hook test fixes

* Make sure effect's setState is not performed on unmounted component

* Extract logic for checking if is component mounted to a separate hook

Fixes: #16055

Added target as isMetric property

Fixes: #15862