Alerting: Delete permanently deleted alert rules. (#102960)

* add alertingDeletePermanently ff

* add delete permanently button in Recently deleted page

* use ff to protect delete permanent button column

* update transations and prettier

* invalidate tag and update transalations keys

* add test

* prettier

* refactor test

* restore wrong change in deleteRulerRuleGroupHandler

* update test

* linter

* Alerting: Permanent delete rules code review (#103288)

* Update feature toggle name and description

* Rename mutation endpoint

* Fix typo and update text to be "permanently delete"

* Update feature toggle and test

* Move delete button into actions column

* generate ff

* address feedback

---------

Co-authored-by: Tom Ratcliffe <tom.ratcliffe@grafana.com>

pkg/services/featuremgmt/toggles_gen.json

@@ -249,6 +249,23 @@
         "hideFromDocs": true
       }
     },
+    {
+      "metadata": {
+        "name": "alertingDeletePermanently",
+        "resourceVersion": "1742988550168",
+        "creationTimestamp": "2025-03-26T11:29:10Z",
+        "deletionTimestamp": "2025-04-02T14:29:49Z"
+      },
+      "spec": {
+        "description": "Enables the UI functionality to delete permanently alert rules",
+        "stage": "GA",
+        "codeowner": "@grafana/alerting-squad",
+        "frontend": true,
+        "hideFromAdminPage": true,
+        "hideFromDocs": true,
+        "expression": "true"
+      }
+    },
     {
       "metadata": {
         "name": "alertingDisableSendAlertsExternal",
@@ -437,6 +454,22 @@
         "expression": "false"
       }
     },
+    {
+      "metadata": {
+        "name": "alertingRulePermanentlyDelete",
+        "resourceVersion": "1743604189392",
+        "creationTimestamp": "2025-04-02T14:29:49Z"
+      },
+      "spec": {
+        "description": "Enables UI functionality to permanently delete alert rules",
+        "stage": "GA",
+        "codeowner": "@grafana/alerting-squad",
+        "frontend": true,
+        "hideFromAdminPage": true,
+        "hideFromDocs": true,
+        "expression": "true"
+      }
+    },
     {
       "metadata": {
         "name": "alertingRuleRecoverDeleted",