[Common] Move Elevated Apps Warning and Add Warning for AlwaysOnTop (#30607)

* [Common] - Elevated apps warning moved to common notifications
- Warning added to AoT

* [Common] Build fix.

* [Common] Moved strings from common to AoT.

* [Common] Show notification fix.

* [Common] String name changed.

* [Common] Remove blank space

* [Common] Remove blank space

* [Common] Remove blank space

src/common/utils/elevation.h

@@ -494,3 +494,30 @@ inline bool check_user_is_admin()
     freeMemory(pSID, pGroupInfo);
     return false;
 }
+
+inline bool IsProcessOfWindowElevated(HWND window)
+{
+    DWORD pid = 0;
+    GetWindowThreadProcessId(window, &pid);
+    if (!pid)
+    {
+        return false;
+    }
+
+    wil::unique_handle hProcess{ OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION,
+                                             FALSE,
+                                             pid) };
+
+    wil::unique_handle token;
+
+    if (OpenProcessToken(hProcess.get(), TOKEN_QUERY, &token))
+    {
+        TOKEN_ELEVATION elevation;
+        DWORD size;
+        if (GetTokenInformation(token.get(), TokenElevation, &elevation, sizeof(elevation), &size))
+        {
+            return elevation.TokenIsElevated != 0;
+        }
+    }
+    return false;
+}