* Add basic usage of K8s API for notification policies
* Add permissions checks for navtree for routes
* Add and update permissions for routing tree logic
* Add capability to skip calling contact points hook
* Conditionally show list of mute timings depending on permissions
* Conditionally link to mute timings if user can see at least one
* Add work in progress k8s handlers for routing tree
* Update notification policy hooks
* Wire up policies to permissions better (conditionally calling APIs)
* Add additional checks for whether to show grafana AM
* Add permission checks to access control
* Remove accidental permissions after rebase
* Update types and const for k8s routes
* Improve statefulness and reset routing tree in tests
* Update notif policy tests to check k8s and config API
* Fix type assertion
* Move non-grafana test out of .each
* Make failure case safer
* Override tag invalidation for notification policies API
* Pass in error and add new error alert component
* Add basic mock server conflict check
* Add test to check user can save after a conflict
* Add logic to allow reloading policies if changed by another user
* Fix test
* Update translations in Modals
* Add ViewAlertGroups ability
* Tweak provisioning logic and memoize AM config response
* Update snapshots for useAbilities
* Update result destructure
* Use enums for provenance in routingtrees
* Use consistent memoisation
* Fix _metadata for vanilla AM
* useAsync for error / update state
* move k8s api error handling to separate file
* use cause for error codes
* Use `supported` bools from Alertmanager abilities and clarify default policy
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Co-authored-by: Konrad Lalik <konrad.lalik@grafana.com>
Co-authored-by: Gilles De Mey <gilles.de.mey@gmail.com>
