Associate with files and URIs on windows #27001

1 / 2 tasks completed

1 task still to be completed

Task	Status
Supersedes #26658	Incomplete
Closes #14824	Incomplete
URL associations are implemented	Incomplete
added localisable file descriptions	Incomplete
added file icons	Incomplete
registry keys are properly disposed	Incomplete
implementation is testable in a reasonable way	Incomplete
`SHChangeNotify` is now called in a non-blocking way	Incomplete
fixed stable registry keys taking priority (this is handled by the windows explorer -- it'll ask the user (once) in which program to open)	Incomplete
(Fixed) associations are re-created every time on startup (it's not great, but it probably doesn't matter that much)	Completed
if stable uses `HKEY_LOCAL_MACHINE`, maybe we could use that there instead. since this PR saves to `HKEY_CURRENT_USER`	Incomplete
localised file association descriptions are never written	Incomplete
stable registers `.osz2`, is this a file format lazer can handle? (a quick search yields that it doesn't)	Incomplete
stable uses a lowercase `osu! beatmap` as the file description	Incomplete
stable calls every file `osu! beatmap`	Incomplete
uninstalling lazer will restore stable as the protocol handler	Incomplete
we can use the `osu!` entry for `getStableInstallPathFromRegistry()`, as that is used exclusively by stable	Incomplete
not bother with localising descriptions at all	Incomplete
localise them, but on a one-shot basis, at point of installation.	Incomplete