qt_add_lupdate adds extra location for QML files

$ cp -r ~/Qt/Examples/Qt-6.6.1/qml/qml-i18n .
$ cd qml-i18n
$ mkdir build && cd build
$ ~/Qt/6.7.0/gcc_64/bin/qt-cmake .. && ninja && ninja update_translations && cat ../i18n/qml_fr.ts

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE TS>
<TS version="2.1" language="fr" sourcelanguage="en">
<context>
    <name>qml-i18n</name>
    <message>
        <location filename="../qml-i18n.qml" line="+21"/>
        <location filename="../build/translated/qml-i18n.qml" line="+21"/>
        <source>Hello</source>
        <translation>Bonjour</translation>
    </message>
</context>
</TS>

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE TS>
<TS version="2.1" language="fr" sourcelanguage="en">
<context>
    <name>qml-i18n</name>
    <message>
        <location filename="../qml-i18n.qml" line="+21"/>
        <location/>
        <source>Hello</source>
        <translation>Bonjour</translation>
    </message>
</context>
</TS>