[MM-47982] [MM-47983] Honor the ShowEmailAddress setting (#21707)

* Honor the ShowEmailAddress setting for the `/api/v4/teams/[teamid]/regenerate_invite_id` and `/api/v4/users/me/teams` API paths. Fixes MM-47982 and MM-47983

* Fix linter error in test code

* MM-48186: Add a new API endpoint to add a user to their default GroupChannels and GroupTeams. (#21591)

* MM-48186: Add a new API endpoint to add a user to their default GroupChannels and GroupTeams.

* MM-48186: Removed unrelated lint fixes.

* MM-48186: Removed variable from previous iteration.

* MM-48186: Adds translation.

* MM-48186: Not upgrading golang.org/x/text in this pr.

* MM-48186: Validate user ID and auth service.

* MM-48186: Use user id from struct.

* MM-48186: Added basic client test.

* MM-48186: Adds empty translation.

* MM-48186: Added translations.

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

* [MM-47384] Make OpenID Connect free for all (#21556)

* wip: make OpenID Connect free-for-all

* Deprecation note: GoogleOAuth, Office365OAuth

* Improve deprecation comments

Co-authored-by: Martin Kraft <martin@upspin.org>

* Lint fix

* Add model/oauthproviders, move google, openid, office365 from enterprise

* Vet fixes

* Remove redundant log

Co-authored-by: Martin Kraft <martin@upspin.org>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

Co-authored-by: Martin Kraft <martin@upspin.org>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Shivashis Padhi <shivashispadhi@gmail.com>

api4/team.go

@@ -407,6 +407,10 @@ func regenerateTeamInviteId(c *Context, w http.ResponseWriter, r *http.Request)
 
 	c.App.SanitizeTeam(*c.AppContext.Session(), patchedTeam)
 
+	if !*c.App.Config().PrivacySettings.ShowEmailAddress && !c.IsSystemAdmin() {
+		patchedTeam.Email = ""
+	}
+
 	auditRec.Success()
 	auditRec.AddEventResultState(patchedTeam)
 	auditRec.AddEventObjectType("team")
@@ -493,6 +497,12 @@ func getTeamsForUser(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	c.App.SanitizeTeams(*c.AppContext.Session(), teams)
 
+	if !*c.App.Config().PrivacySettings.ShowEmailAddress && !c.IsSystemAdmin() {
+		for _, team := range teams {
+			team.Email = ""
+		}
+	}
+
 	js, err := json.Marshal(teams)
 	if err != nil {
 		c.Err = model.NewAppError("getTeamsForUser", "api.marshal_error", nil, "", http.StatusInternalServerError).Wrap(err)