minor #6682 Minor performance improvement in Twig extension (javiereguiluz)

This PR was merged into the 4.x branch.

Discussion
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Minor performance improvement in Twig extension

`spl_object_id()` is slightly faster than `spl_object_hash()` (see symfony/symfony#59355) and `xxhash` algorithms are much faster than `md5`

Commits
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f595045 Minor performance improvement in Twig extension

Author: javiereguiluz

src/Twig/EasyAdminTwigExtension.php

@@ -182,7 +182,7 @@ public function representAsString($value, string|callable|null $toStringMethod =
                 return sprintf('%s #%s', $value::class, $value->getId());
             }
 
-            return sprintf('%s #%s', $value::class, substr(md5(spl_object_hash($value)), 0, 7));
+            return sprintf('%s #%s', $value::class, hash('xxh32', (string) spl_object_id($value)));
         }
 
         return '';