[MM-37578] - Add setting for onboarding (#18068)

* [MM-37578] - Add setting for onboarding

* fix lint

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

config/client.go

@@ -42,6 +42,7 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 	props["CloseUnusedDirectMessages"] = strconv.FormatBool(*c.ServiceSettings.CloseUnusedDirectMessages)
 	props["EnablePreviewFeatures"] = strconv.FormatBool(*c.ServiceSettings.EnablePreviewFeatures)
 	props["EnableTutorial"] = strconv.FormatBool(*c.ServiceSettings.EnableTutorial)
+	props["EnableOnboardingFlow"] = strconv.FormatBool(*c.ServiceSettings.EnableOnboardingFlow)
 	props["ExperimentalEnableDefaultChannelLeaveJoinMessages"] = strconv.FormatBool(*c.ServiceSettings.ExperimentalEnableDefaultChannelLeaveJoinMessages)
 	props["ExperimentalGroupUnreadChannels"] = *c.ServiceSettings.ExperimentalGroupUnreadChannels
 	props["EnableSVGs"] = strconv.FormatBool(*c.ServiceSettings.EnableSVGs)