feat: Ensure MFA email and phone are validated before enabling (#3143)

Added validation checks to ensure that a user's email and phone number are provided before enabling MFA email and phone respectively. This fixes the issue where MFA could be enabled without these values, causing inconsistencies.

controllers/user.go

@@ -289,6 +289,16 @@ func (c *ApiController) UpdateUser() {
 		}
 	}
 
+	if user.MfaEmailEnabled && user.Email == "" {
+		c.ResponseError(c.T("user:MFA email is enabled but email is empty"))
+		return
+	}
+
+	if user.MfaPhoneEnabled && user.Phone == "" {
+		c.ResponseError(c.T("user:MFA phone is enabled but phone number is empty"))
+		return
+	}
+
 	if msg := object.CheckUpdateUser(oldUser, &user, c.GetAcceptLanguage()); msg != "" {
 		c.ResponseError(msg)
 		return