Console posix adapter writeLine() background color bleeding through to the next line.

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When using $console->writeLine() with background color, the color will bleed through and fill the entire next line in the console. I've noticed this bug on MacOS but I believe it can appear on other systems.

This happens because EOL character occurs before the background color reset sequence \x1b[0;49m which some terminals might interpret as pictured on the screenshot below.

A PR to fix this will follow.

Test code:

$console->write('Console->write(..., Color::NORMAL, Color::YELLOW)', ColorInterface::NORMAL, ColorInterface::YELLOW);
$console->writeLine('Console->writeLine(...)');
$console->writeLine('Console->writeLine(...)');
$console->writeLine('Console->writeLine(..., Color::NORMAL, Color::YELLOW)', ColorInterface::NORMAL, ColorInterface::YELLOW);
$console->writeLine('Console->writeLine(...)');
$console->writeLine('Console->writeLine(...)');

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After fix: