Add ExperimentalTimezone flag (#8539)

config/default.json

@@ -92,6 +92,9 @@
         "ExperimentalTownSquareIsReadOnly": false,
         "ExperimentalPrimaryTeam": ""
     },
+    "DisplaySettings": {
+        "ExperimentalTimezone": false
+    },
     "ClientRequirements": {
         "AndroidLatestVersion": "",
         "AndroidMinVersion": "",

model/config.go

@@ -1712,6 +1712,16 @@ func (s *MessageExportSettings) SetDefaults() {
 	}
 }
 
+type DisplaySettings struct {
+	ExperimentalTimezone *bool
+}
+
+func (s *DisplaySettings) SetDefaults() {
+	if s.ExperimentalTimezone == nil {
+		s.ExperimentalTimezone = NewBool(false)
+	}
+}
+
 type TimezoneSettings struct {
 	SupportedTimezonesPath *string
 }
@@ -1755,6 +1765,7 @@ type Config struct {
 	MessageExportSettings MessageExportSettings
 	JobSettings           JobSettings
 	PluginSettings        PluginSettings
+	DisplaySettings       DisplaySettings
 	TimezoneSettings      TimezoneSettings
 }
 
@@ -1826,6 +1837,7 @@ func (o *Config) SetDefaults() {
 	o.WebrtcSettings.SetDefaults()
 	o.MessageExportSettings.SetDefaults()
 	o.TimezoneSettings.SetDefaults()
+	o.DisplaySettings.SetDefaults()
 }
 
 func (o *Config) IsValid() *AppError {

utils/config.go

@@ -382,6 +382,7 @@ func GenerateClientConfig(c *model.Config, diagnosticId string, license *model.L
 	props["EnableTutorial"] = strconv.FormatBool(*c.ServiceSettings.EnableTutorial)
 	props["ExperimentalEnableDefaultChannelLeaveJoinMessages"] = strconv.FormatBool(*c.ServiceSettings.ExperimentalEnableDefaultChannelLeaveJoinMessages)
 	props["ExperimentalGroupUnreadChannels"] = *c.ServiceSettings.ExperimentalGroupUnreadChannels
+	props["ExperimentalTimezone"] = strconv.FormatBool(*c.DisplaySettings.ExperimentalTimezone)
 
 	props["SendEmailNotifications"] = strconv.FormatBool(c.EmailSettings.SendEmailNotifications)
 	props["SendPushNotifications"] = strconv.FormatBool(*c.EmailSettings.SendPushNotifications)