[hle, kernel] Add support for FW21 and kernel changes (#3004)

- Adapts kernel changes from atmosphere for firmware 21.0.0.
- Fixes launch error of firmware 21.0.0 applets.
- Adds new commands for `prepo` (New `SaveSystemReport` & `SaveSystemReportWithUser`).
- Adds new commands for `IReadOnlyApplicationControlDataInterface` (cmd 19; incomplete!)
- Adds `{12010, nullptr, "SetButtonConfigLeft"},` undocumented IHidServer.
- Adds new commands for `ngc:u` (`Mask2` and `Check2`)
- Adds new commands for system settings server (GetHttpAuthConfig) for webapplet
- Removes incompatible firmware popup warning.

Signed-off-by: lizzie lizzie@eden-emu.dev
Co-authored by: maufeat sahyno1996@gmail.com

Co-authored-by: crueter <crueter@eden-emu.dev>
Co-authored-by: JPikachu <jpikachu.eden@gmail.com>
Co-authored-by: Maufeat <sahyno1996@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3004
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/core/file_sys/savedata_factory.cpp

@@ -95,6 +95,7 @@ std::string SaveDataFactory::GetSaveDataSpaceIdPath(SaveDataSpaceId space) {
     case SaveDataSpaceId::System:
         return "/system/";
     case SaveDataSpaceId::User:
+        case SaveDataSpaceId::SdUser:
         return "/user/";
     case SaveDataSpaceId::Temporary:
         return "/temp/";