MemoryCardIconCache: Ignore shared cards

src/core/system.h

@@ -417,7 +417,8 @@ std::optional<ExtendedSaveStateInfo> GetExtendedSaveStateInfo(const char* path);
 void DeleteSaveStates(const char* serial, bool resume);
 
 /// Returns the path to the memory card for the specified game, considering game settings.
-std::string GetGameMemoryCardPath(std::string_view serial, std::string_view path, u32 slot);
+std::string GetGameMemoryCardPath(std::string_view serial, std::string_view path, u32 slot,
+                                  MemoryCardType* out_type = nullptr);
 
 /// Returns intended output volume considering fast forwarding.
 s32 GetAudioOutputVolume();