Inline groups break prematurely

input/output
```php
<?php declare(strict_types=1); ?>
<html>
    <body>
        <?php
          $a = 1;
        ?>
    </body>
</html>
```
Expected
```php
<?php declare(strict_types=1); ?>
<html>
    <body>
        <?php $a = 1; ?>
    </body>
</html>
```

cc @evilebottnawi 