[UI] Added modify profile UI

- Changed default icons size from 75x75 to 64x64 to match console icons size
- Added png_utils
- Removed all dialogs from xam_ui.cc into separate entities under xam/ui
- Added option to return INT32 and WSTRING type settings to host
- Added multiple enums related to user settings
- Added code to handle changing user pfp
- Fixed bug with system app being added to GPD played list
- Changed logic in: XamUserGetUserFlagsFromXUID
- Implemented: XamUserIsOnlineEnabled
- Implemented: XamUserGetMembershipTier
- Implemented: XamUserGetMembershipTierFromXUID
- Implemented: XamUserGetUserTenure
- Partially Implemented: XamUserGetSubscriptionType

src/xenia/kernel/xam/xdbf/spa_info.h

@@ -38,6 +38,8 @@ enum class TitleType : uint32_t {
   kFull = 1,
   kDemo = 2,
   kDownload = 3,
+  kUnknown = 4,
+  kApp = 5
 };
 
 enum class TitleFlags {