QML Text's implicitWidth is wrong when wrapMode is set for multiline text.

import QtQuick 2.15
import QtQuick.Layouts 1.15
import QtQuick.Window 2.12

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Rectangle {
        anchors.fill: layout
        color: 'transparent'
        border.color: '#999999'
        border.width: 1
        radius: 2

        Text {
            anchors.bottom: parent.top
            anchors.bottomMargin: 5
            text: "Here everything is OK. Text's implicit width is correct, layout size is correct"
        }
    }

    ColumnLayout {
        id: layout
        x: 40
        y: 40
        spacing: 10

        Text {
            text: 'Single line text'

            Rectangle {
                anchors.fill: parent
                color: Qt.rgba(0,0,1,0.1)
            }
        }

        Text {
            text: 'Another single line text'

            Rectangle {
                anchors.fill: parent
                color: Qt.rgba(0,0,1,0.1)
            }
        }

        Text {
            text: 'Multi line\ntext'

            Rectangle {
                anchors.fill: parent
                color: Qt.rgba(0,0,1,0.1)
            }
        }
    }

    Rectangle {
        anchors.fill: brokenLayout
        color: 'transparent'
        border.color: '#999999'
        border.width: 1
        radius: 2

        Text {
            anchors.bottom: parent.top
            anchors.bottomMargin: 5
            text: "Now we add wrapMode to Text and implicit width is a sum of all lines widths"
        }
    }

    ColumnLayout {
        id: brokenLayout
        x: 40
        y: 40 + layout.height + 40
        spacing: 10

        Text {
            text: 'Multi line\ntext'
            wrapMode: Text.WrapAtWordBoundaryOrAnywhere

            Rectangle {
                anchors.fill: parent
                color: Qt.rgba(1,0,0,0.1)
            }
        }

        Text {
            text: 'Another\nmulti\nline\ntext'
            wrapMode: Text.WordWrap

            Rectangle {
                anchors.fill: parent
                color: Qt.rgba(1,0,0,0.1)
            }
        }
    }
}