Fix logical comparision

Author: iNem0o

rules/DowngradePhp80/Rector/Expression/DowngradeThrowExprRector.php

@@ -11,7 +11,7 @@
 use PhpParser\Node\Expr\Assign;
 use PhpParser\Node\Expr\BinaryOp\Coalesce;
 use PhpParser\Node\Expr\BinaryOp\Identical;
-use PhpParser\Node\Expr\BinaryOp\NotIdentical;
+use PhpParser\Node\Expr\BinaryOp\Identical;
 use PhpParser\Node\Expr\BooleanNot;
 use PhpParser\Node\Expr\Closure;
 use PhpParser\Node\Expr\ConstFetch;
@@ -253,7 +253,7 @@ private function createIf(Coalesce $coalesce, Throw_ $throw): If_
         if ($conditionalExpr instanceof Variable || $conditionalExpr instanceof ArrayDimFetch || $conditionalExpr instanceof PropertyFetch) {
             $booleanNot = new BooleanNot(new Isset_([$conditionalExpr]));
         } else {
-            $booleanNot = new NotIdentical($conditionalExpr, new ConstFetch(new Name('null')));
+            $booleanNot = new Identical($conditionalExpr, new ConstFetch(new Name('null')));
         }
 
         return new If_($booleanNot, [