[Core] Fix crash indentation on indent(\t, 1) config

[samsonasik]

Given the following config:

use Rector\Config\RectorConfig;
use Rector\DeadCode\Rector\If_\SimplifyIfElseWithSameContentRector;

return static function (RectorConfig $rectorConfig): void {
    $rectorConfig->indent("\t", 1);
    $rectorConfig->rule(SimplifyIfElseWithSameContentRector::class);
};

It cause crash:

There was 1 failure:

1) Rector\Core\Tests\Issues\IndentationCrash\TabIndentationCrashTest::test with data set #0 ('/Users/samsonasik/www/rector-...hp.inc')
assert($this->indentLevel >= 4) in /Users/samsonasik/www/rector-src/src/PhpParser/Printer/BetterStandardPrinter.php:199

Caused by
AssertionError: assert($this->indentLevel >= 4) in /Users/samsonasik/www/rector-src/src/PhpParser/Printer/BetterStandardPrinter.php:199

Ref https://getrector.org/demo/1d6243b2-ab0c-4002-814c-86f36b465412
Fixes rectorphp/rector#7638

[samsonasik]

Fixed 🎉 /cc @kkmuffme

[samsonasik]

All checks have passed 🎉 @TomasVotruba it is ready for review.