Unify the way of setting game ID, title ID, revision

The existing code from ConfigManager, ES and MIOS is merged
into a new set of functions called SetRunningGameMetadata.

Source/Core/VideoBackends/Vulkan/ObjectCache.cpp

@@ -327,7 +327,7 @@ std::pair<VkPipeline, bool> ObjectCache::GetPipelineWithCacheResult(const Pipeli
 std::string ObjectCache::GetDiskCacheFileName(const char* type)
 {
   return StringFromFormat("%svulkan-%s-%s.cache", File::GetUserPath(D_SHADERCACHE_IDX).c_str(),
-                          SConfig::GetInstance().m_strGameID.c_str(), type);
+                          SConfig::GetInstance().GetGameID().c_str(), type);
 }
 
 class PipelineCacheReadCallback : public LinearDiskCacheReader<u32, u8>