XWIKI-13977: Generate internal links when exporting multiple linked pages to PDF

xwiki-platform-core/pom.xml

...g/xwiki/export/pdf/browser/AbstractBrowserPDFPrinter.java

...rc/main/java/org/xwiki/export/pdf/browser/BrowserTab.java

...a/org/xwiki/export/pdf/internal/job/DocumentRenderer.java

...g/xwiki/export/pdf/internal/job/PDFExportIdGenerator.java

...in/java/org/xwiki/export/pdf/job/PDFExportJobRequest.java

...ain/java/org/xwiki/export/pdf/job/PDFExportJobStatus.java

...a/org/xwiki/export/pdf/browser/BrowserPDFPrinterTest.java

...g/xwiki/export/pdf/internal/job/DocumentRendererTest.java

...iki/export/pdf/internal/job/PDFExportIdGeneratorTest.java

.../java/org/xwiki/export/pdf/internal/chrome/ChromeTab.java

...t/pdf/internal/job/DefaultPDFExportJobRequestFactory.java

...a/org/xwiki/export/pdf/internal/chrome/ChromeTabTest.java

...f/internal/job/DefaultPDFExportJobRequestFactoryTest.java

...-content/src/main/resources/PDFExportIT/Anchors/Child.xml

...ontent/src/main/resources/PDFExportIT/Anchors/WebHome.xml

...src/test/it/org/xwiki/export/pdf/test/ui/PDFExportIT.java

...xport-pdf-ui/src/main/resources/XWiki/PDFExport/Sheet.xml