PLT-6610 sending websocket event for last channel viewed (#6787)

utils/config.go

@@ -473,6 +473,7 @@ func getClientConfig(c *model.Config) map[string]string {
 	props["MaxNotificationsPerChannel"] = strconv.FormatInt(*c.TeamSettings.MaxNotificationsPerChannel, 10)
 	props["TimeBetweenUserTypingUpdatesMilliseconds"] = strconv.FormatInt(*c.ServiceSettings.TimeBetweenUserTypingUpdatesMilliseconds, 10)
 	props["EnableUserTypingMessages"] = strconv.FormatBool(*c.ServiceSettings.EnableUserTypingMessages)
+	props["EnablChannelViewedMessages"] = strconv.FormatBool(*c.ServiceSettings.EnablChannelViewedMessages)
 
 	props["DiagnosticId"] = CfgDiagnosticId
 	props["DiagnosticsEnabled"] = strconv.FormatBool(*c.LogSettings.EnableDiagnostics)