Use $stmt->args directly instead of creating new VariadicPlaceholder

src/Psalm/Internal/Analyzer/Statements/Expression/Call/FunctionCallAnalyzer.php

@@ -837,7 +837,7 @@ class FunctionCallAnalyzer extends CallAnalyzer
         $fake_method_call = new VirtualMethodCall(
             $function_name,
             new VirtualIdentifier('__invoke', $function_name->getAttributes()),
-            $stmt->isFirstClassCallable() ? [new PhpParser\Node\VariadicPlaceholder()] : $stmt->getArgs()
+            $stmt->args
         );
 
         $suppressed_issues = $statements_analyzer->getSuppressedIssues();