[MM-25659] ability to permanent delete channel through client (#15202)

Summary

    Ability to permanent delete channel through client

Ticket Link

    https://mattermost.atlassian.net/browse/MM-25659

i18n/en.json

@@ -2754,6 +2754,10 @@
     "id": "api.user.create_user.signup_link_invalid.app_error",
     "translation": "The signup link does not appear to be valid."
   },
+  {
+    "id": "api.user.delete_channel.not_enabled.app_error",
+    "translation": "Permanent channel deletion feature is not enabled. Please contact your System Administrator."
+  },
   {
     "id": "api.user.delete_team.not_enabled.app_error",
     "translation": "Permanent team deletion feature is not enabled. Please contact your System Administrator."