[ACS-3219] Delete Rule (#2609)

* [ACS-3219] Delete Rule

* rebased + added unsubscribe()

* small fix

* a couple more fixes

* manage-rules css formatting fix

projects/aca-folder-rules/assets/i18n/en.json

@@ -83,6 +83,12 @@
         "TITLE": "The list is empty",
         "SUBTITLE": "There are no rules defined for this folder yet."
       }
+    },
+    "CONFIRMATION_DIALOG": {
+      "DELETE_RULE": {
+        "TITLE": "Delete rule",
+        "MESSAGE": "Are you sure you want to delete this rule?"
+      }
     }
   }
 }