Mm 64299 disable guest invite in abac channels (#31139)

* MM-64299 - disable guest invite in abac channels

* filter the abac channel list for guest

* add filter in the back-end too

* add proper translation

* simplify the condition for enforced channels and add the unit tests

* enhance validation for not inviting guest users when abac enforced channel

* add missing translation

* add value to empty translation

* prevent showing the channel name if abac protected

server/i18n/en.json

@@ -3230,6 +3230,10 @@
     "id": "api.team.invite_guests.channel_in_invalid_team.app_error",
     "translation": "The channels of the invite must be part of the team of the invite."
   },
+  {
+    "id": "api.team.invite_guests.policy_enforced_channel.app_error",
+    "translation": "Cannot invite guests users to this channel because it has access restrictions based on user attributes."
+  },
   {
     "id": "api.team.invite_guests_to_channels.disabled.error",
     "translation": "Guest accounts are disabled"