MM-55608:check invite guest permission (#25708)

* check for invite_guest permission when inviting guests

* update description for invite_guest

* check team permission first

* update returned error

* update from review comments

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Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/channels/src/i18n/en.json

@@ -1674,7 +1674,7 @@
   "admin.permissions.permission.edit_post.name": "Edit Own Posts",
   "admin.permissions.permission.import_team.description": "Import team",
   "admin.permissions.permission.import_team.name": "Import team",
-  "admin.permissions.permission.invite_guest.description": "Invite guests to channels and send guest email invites.",
+  "admin.permissions.permission.invite_guest.description": "Invite guests to teams and send guest email invites.",
   "admin.permissions.permission.invite_guest.name": "Invite guests",
   "admin.permissions.permission.list_team_channels.description": "List team channels",
   "admin.permissions.permission.list_team_channels.name": "List team channels",