C33 SourcePdfPattern and source-compatible PDF tiling additions

Primary implementation authority (sealed local C31 capsule):
dev/print-engine/contrast-c31/source/reference-capsule/files/frontend/node_modules/svg2pdf.js/dist/svg2pdf.es.min.js
SHA256 28bfe76d3ee5b80f48246a24cb849b9a827235bb253c5765620ba75b66456711
dev/print-engine/contrast-c31/source/reference-capsule/files/frontend/node_modules/jspdf/dist/jspdf.es.min.js
SHA256 761b3a84ae6acc087802bc60672a4092cd1d5b17c809621da37ea26c9224cb83

svg2pdf.js PatternNode / PatternFill / Q transform rules:
The MIT License (MIT)
Copyright (c) 2015-2025 yWorks GmbH
Upstream notice: https://github.com/yWorks/svg2pdf.js/#license

jsPDF TilingPattern / We / He serialization rules:
The following original notice and MIT permission text are retained from the
exact sealed jsPDF distribution above. The same MIT terms apply to the
svg2pdf.js copyright notice above.

/** @license
 *
 * jsPDF - PDF Document creation from JavaScript
 * Version 4.2.1 Built on 2026-03-17T11:11:27.057Z
 *                      CommitID 00000000
 *
 * Copyright (c) 2010-2025 James Hall <james@parall.ax>, https://github.com/MrRio/jsPDF
 *               2015-2025 yWorks GmbH, http://www.yworks.com
 *               2015-2025 Lukas Holländer <lukas.hollaender@yworks.com>, https://github.com/HackbrettXXX
 *               2016-2018 Aras Abbasi <aras.abbasi@gmail.com>
 *               2010 Aaron Spike, https://github.com/acspike
 *               2012 Willow Systems Corporation, https://github.com/willowsystems
 *               2012 Pablo Hess, https://github.com/pablohess
 *               2012 Florian Jenett, https://github.com/fjenett
 *               2013 Warren Weckesser, https://github.com/warrenweckesser
 *               2013 Youssef Beddad, https://github.com/lifof
 *               2013 Lee Driscoll, https://github.com/lsdriscoll
 *               2013 Stefan Slonevskiy, https://github.com/stefslon
 *               2013 Jeremy Morel, https://github.com/jmorel
 *               2013 Christoph Hartmann, https://github.com/chris-rock
 *               2014 Juan Pablo Gaviria, https://github.com/juanpgaviria
 *               2014 James Makes, https://github.com/dollaruw
 *               2014 Diego Casorran, https://github.com/diegocr
 *               2014 Steven Spungin, https://github.com/Flamenco
 *               2014 Kenneth Glassey, https://github.com/Gavvers
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Contributor(s):
 *    siefkenj, ahwolf, rickygu, Midnith, saintclair, eaparango,
 *    kim3er, mfo, alnorth, Flamenco
 */
