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Those are sometimes left over from broken encoding in e.g. schema.org
annotations.

This uses KF5::Codecs, which we indirectly depend on anyway already.

GIT_SILENT

We get most of the data from the Thalys barcodes already, this fills in
station names, departure/arrival times and passenger name.

(cherry picked from commit 244d8642)

This augments what we get from the barcode, e.g. the owner name and (once
the data model supports that) the validity range.

CCBUG: 453322

CCBUG: 453322

CCBUG: 453322

Poppler is nowadays forced as a mandatory dependency in CMake, so this is
no longer needed and just unecessarily complicates the code.

Still QJValue + QVariant qt6 compile error

This should fix line ending conversion on Windows breaking those files and
the associated tests.

Poppler gives us platform line breaks, our tests didn't expect that.

(cherry picked from commit 4c5ee248)

Also, extract the guest name while at it.

Possible now that the corresponding property proposal in Wikidata has
been approved.