Move where we decide deprecation vs error

Closes #3402168

core/lib/Drupal/Core/Config/Development/ConfigSchemaChecker.php

@@ -53,8 +53,12 @@ class ConfigSchemaChecker implements EventSubscriberInterface {
    *   The typed config manager.
    * @param string[] $exclude
    *   An array of config object names that are excluded from schema checking.
+   * @param bool $validateConstraints
+   *   Determines if constraints will be validated. If TRUE, constraint
+   *   validation errors will be added to the errors found by
+   *   SchemaCheckTrait::checkConfigSchema().
    */
-  public function __construct(TypedConfigManagerInterface $typed_manager, array $exclude = []) {
+  public function __construct(TypedConfigManagerInterface $typed_manager, array $exclude = [], private readonly bool $validateConstraints = FALSE) {
     $this->typedManager = $typed_manager;
     $this->exclude = $exclude;
   }
@@ -82,7 +86,7 @@ public function onConfigSave(ConfigCrudEvent $event) {
     $checksum = Crypt::hashBase64(serialize($data));
     if (!in_array($name, $this->exclude) && !isset($this->checked[$name . ':' . $checksum])) {
       $this->checked[$name . ':' . $checksum] = TRUE;
-      $errors = $this->checkConfigSchema($this->typedManager, $name, $data);
+      $errors = $this->checkConfigSchema($this->typedManager, $name, $data, $this->validateConstraints);
       if ($errors === FALSE) {
         throw new SchemaIncompleteException("No schema for $name");
       }