Merge pull request #15683 from craftcms/bugfix/4.x-element-condition-…

…resets-element-type

Fixed `ElementCondition::$elementType` being reset in `__construct()`

src/elements/conditions/ElementCondition.php

@@ -73,7 +73,10 @@ public function __construct(?string $elementType = null, array $config = [])
             throw new InvalidConfigException("Invalid element type: $elementType");
         }
 
-        $this->elementType = $elementType;
+        if ($elementType !== null) {
+            $this->elementType = $elementType;
+        }
+
         parent::__construct($config);
     }