[MOV] web_editor, point_of_sale: move html2canvas to web_editor

This moves the `html2canvas` library from `point_of_sale` to
`web_editor` so as to be able to use it in `convert_inline`.
`point_of_sale`, depending from `web_editor`, doesn't lose access to the
library.

task-2856858

Part-of: odoo/odoo#91314

addons/point_of_sale/__manifest__.py

@@ -120,6 +120,7 @@
 
             # Here includes the lib and POS UI assets.
             'point_of_sale/static/lib/**/*.js',
+            'web_editor/static/lib/html2canvas.js',
             'point_of_sale/static/src/js/**/*.js',
         ],
         # This bundle contains the code responsible for starting the POS UI.

addons/web_editor/__manifest__.py

@@ -34,6 +34,7 @@ Odoo Web Editor widget.
             'web_editor/static/lib/jQuery.transfo.js',
             'web/static/lib/nearest/jquery.nearest.js',
             'web_editor/static/lib/webgl-image-filter/webgl-image-filter.js',
+            'web_editor/static/lib/html2canvas.js', # needed for convert_inline.js
 
             # odoo-editor
             'web_editor/static/lib/odoo-editor/src/style.css',

debian/copyright

@@ -205,10 +205,6 @@ Files: addons/point_of_sale/models/account_bank_statement.py addons/point_of_sal
 Copyright: 2004-2008 PC Solutions (<http://pcsol.be>)
 License: LGPL-3+
 
-Files: addons/point_of_sale/static/lib/html2canvas.js
-Copyright: 2013 Niklas von Hertzen; 2010 John Resig
-License: MIT
-
 Files: addons/pos_epson_printer/static/lib/epos-2.12.0.js
 Copyright: Seiko Epson Corporation 2016 - 2019; 2011 LearnBoost <dev@learnboost.com>
 License: MIT
@@ -434,6 +430,10 @@ Files: addons/web_editor/static/lib/webgl-image-filter/*
 Copyright: 2020 Dominic Szablewski
 License: MIT
 
+Files: addons/web_editor/static/lib/html2canvas.js
+Copyright: 2013 Niklas von Hertzen; 2010 John Resig
+License: MIT
+
 Files: addons/website_event_track/static/lib/idb-keyval/idb-keyval.js
 Copyright: 2016 Jake Archibald
 License: Apache-2.0