* fix(deep-link): honor XDG failures and unregister associations
* test(deep-link): isolate other application handlers
* chore: satisfy release metadata and test header checks
* fix(deep-link): gate XDG helpers to Linux
The plugin only supports Linux, so FreeBSD builds warned about dead code.
* refactor(deep-link): add run_command helper
Share the spawn, status check and logging for XDG commands.
* refactor(deep-link): share desktop file list helpers
register and unregister now edit MimeType lists the same way.
* fix(deep-link): keep desktop file quoting on register
Parse raw values so a quoted Exec matches and isn't rewritten each time.
* fix(deep-link): clean mimeapps.list first on unregister
A failing update-desktop-database no longer leaves the app as the default.
* fix(deep-link): keep mimeapps.list comments on unregister
Edit it line by line instead of re-serializing it through rust-ini.
* fix(deep-link): skip cache refresh when nothing to unregister
Only run update-desktop-database if the desktop file changed or the cache still lists the app.
* fix(deep-link): treat no default handler as unregistered
xdg-mime exits with 4 on KDE and LXQt when no handler is set.
* fix(deep-link): tolerate padded xdg-mime query output
Compare the trimmed first line instead of the raw output.
* test(deep-link): run XDG tests in CI
Drop #[ignore], skip when the tools are missing, and install them on Linux CI.
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Co-authored-by: Lucas Nogueira <lucas@tauri.app>
