[MM-19344] add option to render latex (#12907)

config/client.go

@@ -44,6 +44,7 @@ func GenerateClientConfig(c *model.Config, diagnosticId string, license *model.L
 	props["ExperimentalGroupUnreadChannels"] = *c.ServiceSettings.ExperimentalGroupUnreadChannels
 	props["EnableSVGs"] = strconv.FormatBool(*c.ServiceSettings.EnableSVGs)
 	props["EnableMarketplace"] = strconv.FormatBool(*c.PluginSettings.EnableMarketplace)
+	props["EnableLatex"] = strconv.FormatBool(*c.ServiceSettings.EnableLatex)
 
 	// This setting is only temporary, so keep using the old setting name for the mobile and web apps
 	props["ExperimentalEnablePostMetadata"] = "true"