fix eager loading retroactively laravel/framework#51825

Author: Marius

src/Eloquent/CustomRelations/RelationCleverTrait.php

@@ -6,7 +6,7 @@
 
 trait RelationCleverTrait
 {
-    protected static ?string $noConstraintsForRelationName = null;
+    public static ?string $noConstraintsForRelationName = null;
 
     /**
      * Indicates if the relation is adding constraints.
@@ -19,10 +19,10 @@ trait RelationCleverTrait
     public static function noConstraints(\Closure $callback, ?string $relationName = null): mixed
     {
         $previous = static::$constraints;
-        $previousNoConstraintsForRelationName = static::$noConstraintsForRelationName;
+        $previousNoConstraintsForRelationName = RelationCleverTrait::$noConstraintsForRelationName;
 
         if ('' !== (string)$relationName) {
-            static::$noConstraintsForRelationName = $relationName;
+            RelationCleverTrait::$noConstraintsForRelationName = $relationName;
         } else {
             static::$constraints = false;
         }
@@ -31,14 +31,14 @@ public static function noConstraints(\Closure $callback, ?string $relationName =
             return $callback();
         } finally {
             static::$constraints = $previous;
-            static::$noConstraintsForRelationName = $previousNoConstraintsForRelationName;
+            RelationCleverTrait::$noConstraintsForRelationName = $previousNoConstraintsForRelationName;
         }
     }
 
     protected function setConstraintsStaticFlag(BaseModel $model): void
     {
         if (
-            '' === (string)static::$noConstraintsForRelationName
+            '' === (string)RelationCleverTrait::$noConstraintsForRelationName
             || '' === (string)$model->nowEagerLoadingRelationNameWithNoConstraints
         ) {
             return;
@@ -66,6 +66,6 @@ protected function setConstraintsStaticFlag(BaseModel $model): void
             with nowEagerLoadingRelationNameWithNoConstraints = null
                and with $noConstraintsForRelationName = 'rel' */
         static::$constraints =
-            static::$noConstraintsForRelationName !== $model->nowEagerLoadingRelationNameWithNoConstraints;
+            RelationCleverTrait::$noConstraintsForRelationName !== $model->nowEagerLoadingRelationNameWithNoConstraints;
     }
 }