* Use Enum generic overloads

* Remove EnumExtensions.cs

* Use Delegate.CreateDelegate generic overloads

* Add support for the brazilian portuguese language code

* Fix error applet message

* Initial implementation

* Refactor dynamic text input keys out to facilitate configuration via UI

* Fix code styling

* Add per applet indirect layer handles

* Remove static functions from SoftwareKeyboardRenderer

* Remove inline keyboard reset delay

* Remove inline keyboard V2 responses

* Add inline keyboard soft-lock recovering

* Add comments

* Forward accept and cancel key names to the keyboard and add soft-lock prevention line

* Add dummy window to handle paste events

* Rework inline keyboard state machine and graphics

* Implement IHostUiHandler interfaces on headless WindowBase class

* Add inline keyboard assets

* Fix coding style

* Fix coding style

* Change mode cycling shortcut to F6

* Fix invalid calc size error in games using extended calc

* Remove unnecessary namespaces

* aoc: Fixes some inconsistencies

This PR fixes an wrong returned value (introduced in #2414) which cause some DLC not recognized in some games like Super Robot War T.
Additionnally to that, I've removed the EventHandle check too, because it could cause some issues, but sadly it doesn't do the job so I reverted the changes. It should fix Diablo III: Eternal Collection.

* Fix loop

* Revert TitleLanguage change

* write only available ids

* no name: Mii Editor applet support

* addresses gdkchan feedback

* Fix comment

* Bypass MountCounter of MiiDatabaseManager

* Fix GetSettingsPlatformRegion

* Disable Applet Menu for unsupported firmwares

* settings: Implement GetDeviceNickName and SetDeviceNickName

This PR implement `set` and `sys:set` calls : `GetDeviceNickName` and `SetDeviceNickName` accordingly to RE.
I've cleaned up both services a bit and `SystemStateMgr` class too.

Closes #2110

* Addresses gdkchan_s feedback

This PR add all known AppletMessage values for accuracy, nothing more.
`MessageInfo` is renamed to the right `AppletMessage` name.

* account: Adds Account Manager

In a way to have Custom User Profiles merged in master faster, this PR adds a `AccountManager` class (based on `AccountUtils` class) and the following changes have been made:
- Adds a "default profile values" which were the old hardcoded ones.
- The image profile is moved to the Account service folder.
- The hardcoded UserId for the savedata is now using the `AccountManager` last opened one.
- The DeviceId in Mii service is changed to the right value (checked by REd sys:set call).

* Fix csproj

* Addresses gdkchan's comments

* Fix UserProfile fields

* Fix mii GetDeviceId()

* Update Ryujinx.HLE.csproj