Added ability to sign in via username; separated email sign in and sign up config settings

utils/config.go

@@ -208,6 +208,8 @@ func getClientConfig(c *model.Config) map[string]string {
 
 	props["SendEmailNotifications"] = strconv.FormatBool(c.EmailSettings.SendEmailNotifications)
 	props["EnableSignUpWithEmail"] = strconv.FormatBool(c.EmailSettings.EnableSignUpWithEmail)
+	props["EnableSignInWithEmail"] = strconv.FormatBool(*c.EmailSettings.EnableSignInWithEmail)
+	props["EnableSignInWithUsername"] = strconv.FormatBool(*c.EmailSettings.EnableSignInWithUsername)
 	props["RequireEmailVerification"] = strconv.FormatBool(c.EmailSettings.RequireEmailVerification)
 	props["FeedbackEmail"] = c.EmailSettings.FeedbackEmail