fix(input): resolve 1:1 Nintendo face button mapping on SBC/PortMaster devices

src/core/GamepadMap.lua

@@ -63,12 +63,6 @@ local function nxActive()
   end
   if love and love._os == "NX" then return true end
   if love and love.system and love.system.getOS() == "NX" then return true end
-  if os.getenv("XBOX_LAYOUT") == "1" then return false end
-  local h = os.getenv("HANDHELD") == "1" or os.getenv("PORTMASTER") == "1"
-    or os.getenv("POKEPORT_HANDHELD") == "1" or os.getenv("TRIMUI") == "1"
-    or os.getenv("MUOS") == "1" or os.getenv("KNULLI") == "1"
-    or os.getenv("NINTENDO_LAYOUT") == "1"
-  if h then return true end
   return false
 end
 
@@ -95,6 +89,8 @@ function GamepadMap.mapLauncherButton(button)
     elseif button == "y" then return "x"
     elseif button == "back" then return "select"
     end
+  elseif button == "back" then
+    return "select"
   end
   return button
 end

src/import/RomImporter.lua

@@ -3202,7 +3202,7 @@ function RomImporter:gamepadpressed(_, button)
   end
 
   -- Y button toggle between Native Controller Navigation and Virtual Pointer Cursor:
-  if action == "y" or button == "y" or button == "x" then
+  if action == "y" or button == "y" then
     self._padCursorActive = not self._padCursorActive
     if okKit then Kit._ringShown = not self._padCursorActive end
     self._cursorModeToast = self._padCursorActive and "Cursor Navigation [Y]" or "Controller Menu Navigation [Y]"