[Workspaces] Fix snapshotting Steam (#34627)

src/modules/Workspaces/WorkspacesSnapshotTool/SnapshotUtils.cpp

@@ -12,6 +12,7 @@
 #include <workspaces-common/WindowFilter.h>
 
 #include <WorkspacesLib/AppUtils.h>
+#include <TlHelp32.h>
 
 namespace SnapshotUtils
 {
@@ -168,6 +169,28 @@ namespace SnapshotUtils
         return false;
     }
 
+    DWORD GetParentPid(DWORD pid)
+    {
+        DWORD res = 0;
+        HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+        PROCESSENTRY32 pe = { 0 };
+        pe.dwSize = sizeof(PROCESSENTRY32);
+
+        if (Process32First(h, &pe))
+        {
+            do
+            {
+                if (pe.th32ProcessID == pid)
+                {
+                    res = pe.th32ParentProcessID;
+                }
+            } while (Process32Next(h, &pe));
+        }
+
+        CloseHandle(h);
+        return res;
+    }
+
     std::vector<WorkspacesData::WorkspacesProject::Application> GetApps(const std::function<unsigned int(HWND)> getMonitorNumberFromWindowHandle)
     {
         std::vector<WorkspacesData::WorkspacesProject::Application> apps{};
@@ -245,14 +268,31 @@ namespace SnapshotUtils
             auto data = Utils::Apps::GetApp(processPath, installedApps);
             if (!data.has_value() || data->name.empty())
             {
-                Logger::debug(L"Installed app not found: {}, {}", title, processPath);
+                Logger::info(L"Installed app not found: {}, try parent process", processPath);
+                
+                // try with parent process (fix for Steam)
+                auto parentPid = GetParentPid(pid);
+                auto parentProcessPath = get_process_path(parentPid);
+                if (!parentProcessPath.empty())
+                {
+                    data = Utils::Apps::GetApp(parentProcessPath, installedApps);
+                    if (!data.has_value() || data->name.empty())
+                    {
+                        Logger::info(L"Installed parent app not found: {}", processPath);
                         continue;
                     }
+                }
+                else
+                {
+                    Logger::info(L"Parent process path not found");
+                    continue;
+                }
+            }
 
             WorkspacesData::WorkspacesProject::Application app{
                 .name = data.value().name,
                 .title = title,
-                .path = processPath,
+                .path = data.value().installPath,
                 .packageFullName = data.value().packageFullName,
                 .appUserModelId = data.value().appUserModelId,
                 .commandLineArgs = L"", // GetCommandLineArgs(pid, wbemHelper),