Issue #3365122 by Luke.Leber, sachin.bansal27, cmlara: CSS Aggregation changes...

Issue #3365122 by Luke.Leber, sachin.bansal27, cmlara: CSS Aggregation changes in Drupal 10.1 can cause WSOD

src/InlineAllCssServiceProvider.php

+<?php
+
+namespace Drupal\inline_all_css;
+
+use Drupal\Core\Asset\CssCollectionOptimizer;
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\DependencyInjection\ServiceProviderBase;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * A service provider implementation added for Drupal 10.1+.
+ *
+ * @todo Figure something else out in https://www.drupal.org/i/3394740
+ */
+class InlineAllCssServiceProvider extends ServiceProviderBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function alter(ContainerBuilder $container) {
+    if (version_compare(\Drupal::VERSION, '10.1', '>=')) {
+      if ($container->hasDefinition('asset.css.collection_optimizer')) {
+        $definition = $container->getDefinition('asset.css.collection_optimizer');
+        $definition->setClass(CssCollectionOptimizer::class);
+        $definition->setArguments([
+          new Reference('asset.css.collection_grouper'),
+          new Reference('asset.css.optimizer'),
+          new Reference('asset.css.dumper'),
+          new Reference('state'),
+          new Reference('file_system'),
+        ]);
+      }
+    }
+  }
+
+}