Merge branch '7.4' into 8.0

* 7.4:
  fix high deps tests
  [ObjectMapper] Fix mapping for missing source properties
  [HttpFoundation] Fix double-prefixing of session keys when using redis/memcached
  [TypeInfo] Fix static type resolution when called class is in different namespace
  [FrameworkBundle] Revert destination file change for secrets:decrypt-to-local
  [Process] Ignore invalid env var names
  [FrameworkBundle] Don't list ExpressionConfigurator if expression-language is not installed on reference config shape
  [JsonStreamer] Fix memory leak by caching stream readers/writers
  [FrameworkBundle] Skip extensions with empty configuration in reference.php
  Also bypass `Return-Path` header within `MicrosoftGraphApiTransport`

Author: xabbuh

ObjectMapper.php

@@ -155,6 +155,10 @@ private function doMap(object $source, object|string|null $target, \WeakMap $obj
             }
 
             if (!$mappings && $targetRefl->hasProperty($propertyName)) {
+                if (!$this->isReadable($source, $propertyName)) {
+                    continue;
+                }
+
                 $sourceProperty = $refl->getProperty($propertyName);
                 if ($refl->isInstance($source) && !$sourceProperty->isInitialized($source)) {
                     continue;

Tests/ObjectMapperTest.php

@@ -648,4 +648,25 @@ public function testBugReportLazyLoadingPromotedReadonlyProperty()
         $this->assertSame('foo', $out->var1);
         $this->assertSame('bar', $out->b->var2);
     }
+
+    public function testMissingSourcePropertiesAreIgnored()
+    {
+        $mapper = new ObjectMapper();
+        $source = new class {
+            public string $name = 'test';
+        };
+        $target = $mapper->map($source, new class {
+            public string $name;
+            public bool $withDefault = true;
+            public string $withoutDefault;
+        });
+
+        $this->assertSame('test', $target->name);
+        $this->assertTrue($target->withDefault);
+
+        $this->assertFalse(
+            (new \ReflectionProperty($target, 'withoutDefault'))->isInitialized($target),
+            'Property without default value should remain uninitialized'
+        );
+    }
 }