Turns the right half of the description box into a large "Show less" button.
אלו כל גרסאות הסקריפט הראה רק גרסאות בהן בוצע שינוי קוד
YouTube changed something which made the button look weird. Fixed.
Sometimes there's extra links and stuff under the text description which blocks the button, so this change will narrow that area a bit.
