Setting to enable new experimental channel sidebar (#14036)

* Merge upstream

* [MM-20881] Server changes for new experimental channel sidebar setting (#13434)

* Remove report.xml

Co-authored-by: Jason Deland <jaydeland@gmail.com>
Co-authored-by: Devin Binnie <devin@Devins-MacBook-Pro.local>
Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>
Co-authored-by: mattermod <mattermod@users.noreply.github.com>

app/diagnostics.go

@@ -312,6 +312,7 @@ func (a *App) trackConfig() {
 		"experimental_strict_csrf_enforcement":                    *cfg.ServiceSettings.ExperimentalStrictCSRFEnforcement,
 		"enable_email_invitations":                                *cfg.ServiceSettings.EnableEmailInvitations,
 		"experimental_channel_organization":                       *cfg.ServiceSettings.ExperimentalChannelOrganization,
+		"experimental_channel_sidebar_organization":               *cfg.ServiceSettings.ExperimentalChannelSidebarOrganization,
 		"disable_bots_when_owner_is_deactivated":                  *cfg.ServiceSettings.DisableBotsWhenOwnerIsDeactivated,
 		"enable_bot_account_creation":                             *cfg.ServiceSettings.EnableBotAccountCreation,
 		"enable_svgs":                                             *cfg.ServiceSettings.EnableSVGs,