* Percent-Encode Local File URLs for Embedded Web Pages
The Home tab, setup wizard, Project tab and other embedded pages were
loaded from file:// URLs built by pasting the resources path into a
string. A '#', '%' or '?' in the install path was then read as a URL
fragment, escape or query, so the pages failed to load, for example a
portable install under D:\#OneDrive showed a directory listing instead
of the setup wizard.
Add file_url_from_path(), built on wxFileSystem::FileNameToURL, and use
it wherever a local page or image URL is built from a path. Queries such
as ?lang= are appended after the path is encoded. The wizard's printer
cover images are passed to the page as file URLs too.
* Encode the Login Error Page URL and Cover More Windows Path Forms
The login dialog's error page was still loaded from a raw resources path;
it now uses file_url_from_path like the other local pages.
The Windows file URL tests now also cover a resources path joined with a
forward-slash relative path, as the callers build them, and a UNC path.
* Build the Flush Dialog Page URLs with the Shared Helper
WipingDialog and NozzleListTable still called
wxFileSystem::FileNameToURL directly. They now go through
file_url_from_path like every other local page, so the URLs are built
in one place.
Adds a test for a resources directory with a '#' in its name, which the
plugin page check did not recognise before.
