Email validation - a plus should not be replaced, but rather just trimmed

utils/utils.go

@@ -94,11 +94,11 @@ func stripInvalidCharacters(email string) string {
 	cleanEmail = strings.ReplaceAll(cleanEmail, "'", "")
 	cleanEmail = strings.ReplaceAll(cleanEmail, "*", "")
 	cleanEmail = strings.ReplaceAll(cleanEmail, "!", "")
-	cleanEmail = strings.ReplaceAll(cleanEmail, "+", "")
 	cleanEmail = strings.ReplaceAll(cleanEmail, "`", "")
 
 	// Trim invalid characters, like underscore, so that it still fails if it's inside the email
 	cleanEmail = strings.Trim(cleanEmail, "_")
+	cleanEmail = strings.Trim(cleanEmail, "+")
 
 	return cleanEmail
 }