Add support for using nested DTOs

This feature allow use of nested new operators

src/Internal/Hydration/ObjectHydrator.php

@@ -552,7 +552,7 @@ protected function hydrateRowData(array $row, array &$result): void
             $scalarCount = (isset($rowData['scalars']) ? count($rowData['scalars']) : 0);
 
             foreach ($rowData['newObjects'] as $objIndex => $newObject) {
-                $obj = $newObject['obj'] ?? null;
+                $obj = $newObject['obj'];
 
                 if ($scalarCount === 0 && count($rowData['newObjects']) === 1) {
                     $result[$resultKey] = $obj;

src/Query/Parser.php

@@ -1675,9 +1675,7 @@ public function NewObjectArg(): mixed
         }
 
         if ($token->type === TokenType::T_NEW) {
-            $expression = $this->NewObjectExpression();
-
-            return $expression;
+            return $this->NewObjectExpression();
         }
 
         return $this->ScalarExpression();

src/Query/ResultSetMapping.php

@@ -568,7 +568,7 @@ public function addNewObjectAsArgument(string|int $alias, string|int $objOwner,
 
         $this->nestedNewObjectArguments = array_merge(
             [$alias => $owner],
-            $this->nestedNewObjectArguments
+            $this->nestedNewObjectArguments,
         );
 
         return $this;

src/Query/SqlWalker.php

@@ -81,7 +81,6 @@ class SqlWalker
      */
     private int $newObjectCounter = 0;
 
-
     /**
      * Contains nesting levels of new objects arguments
      *

tests/Tests/Models/DDC6573/DDC6573Currency.php

@@ -14,4 +14,4 @@ public function getCode(): string
     {
         return $this->code;
     }
-}
+}

tests/Tests/Models/DDC6573/DDC6573Item.php

@@ -41,4 +41,4 @@ public function getPrice(): DDC6573Money
     {
         return new DDC6573Money($this->priceAmount, new DDC6573Currency($this->priceCurrency));
     }
-}
+}

tests/Tests/Models/DDC6573/DDC6573Money.php

@@ -21,4 +21,4 @@ public function getCurrency(): DDC6573Currency
     {
         return $this->currency;
     }
-}
+}

tests/Tests/ORM/Functional/Ticket/DDC6573Test.php

@@ -105,4 +105,4 @@ public function testShouldSupportsBasicUsage(int $hydrationMode): void
         self::assertEquals($this->fixtures[1]->getPrice()->getCurrency(), $result[2]);
         self::assertEquals($this->fixtures[2]->getPrice()->getCurrency(), $result[1]);
     }
-}
+}