Refactor "org teams" page and help new users to "add member" to an org (#37051)

* Fix #22054
* Replace #34593, #27800
* And refactor legacy code, fix various problems

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Signed-off-by: wxiaoguang <wxiaoguang@gmail.com>

options/locale/locale_en-US.json

@@ -2778,9 +2778,9 @@
   "org.settings.labels_desc": "Add labels which can be used on issues for <strong>all repositories</strong> under this organization.",
   "org.members.membership_visibility": "Membership Visibility:",
   "org.members.public": "Visible",
-  "org.members.public_helper": "make hidden",
+  "org.members.public_helper": "Make hidden",
   "org.members.private": "Hidden",
-  "org.members.private_helper": "make visible",
+  "org.members.private_helper": "Make visible",
   "org.members.member_role": "Member Role:",
   "org.members.owner": "Owner",
   "org.members.member": "Member",
@@ -2808,7 +2808,10 @@
   "org.teams.no_desc": "This team has no description",
   "org.teams.settings": "Settings",
   "org.teams.owners_permission_desc": "Owners have full access to <strong>all repositories</strong> and have <strong>administrator access</strong> to the organization.",
+  "org.teams.owners_permission_suggestion": "You can create new teams for members to get fine-grained access control.",
   "org.teams.members": "Team Members",
+  "org.teams.manage_team_member": "Manage teams and members",
+  "org.teams.manage_team_member_prompt": "Members are managed through teams. Add users to a team to invite them to this organization.",
   "org.teams.update_settings": "Update Settings",
   "org.teams.delete_team": "Delete Team",
   "org.teams.add_team_member": "Add Team Member",