Issue #2839061 by pianomansam, Pancho, Halim_61: Token values are encoded as HTML

src/TokenResolver.php

...pdf_test/config/install/filter.format.restricted_html.yml

...s/modules/fillpdf_test/src/Plugin/BackendService/Test.php

...pdf_test/src/Plugin/FillPdfBackend/TestFillPdfBackend.php

tests/src/Functional/FillPdfFormDeleteFormTest.php

tests/src/Functional/FillPdfTestBase.php

tests/src/Functional/FillPdfUploadTestBase.php

tests/src/Functional/PdfPopulationTest.php

tests/src/Functional/PdfWebformPopulationTest.php

tests/src/Functional/UninstallTest.php