[Reg 5.15 -> 6.x] qmlformat: Blank line between sections no longer enforced

https://doc.qt.io/qt-6/qml-codingconventions.html says, "For better readability, we separate these different parts with an empty line."

However, this is no longer properly enforced in Qt 6.x.

In the example below, both Qt 5.15 and 6.x correctly insert a line between import and Rectangle. However, on Qt 5.15 inserts a line between id and property – Qt 6.x does not.

Input file

import QtQuick 2.15
Rectangle {
    id: photo
    property bool thumbnail: false
}

Outcome for Qt 5.15.10 (correct)

import QtQuick 2.15

Rectangle {
    id: photo

    property bool thumbnail: false
}

Outcome for Qt 6.x (wrong)

import QtQuick 2.15

Rectangle {
    id: photo
    property bool thumbnail: false
}