Backends: SDL3: Changing SDL_WINDOW_SKIP_TASKBAR to SDL_WINDOW_UTILITY for SDL3 (#6573)

backends/imgui_impl_sdl3.cpp

@@ -752,7 +752,7 @@ static void ImGui_ImplSDL3_CreateWindow(ImGuiViewport* viewport)
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoDecoration) ? 0 : SDL_WINDOW_RESIZABLE;
 #if !defined(_WIN32)
     // See SDL hack in ImGui_ImplSDL3_ShowWindow().
-    sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoTaskBarIcon) ? SDL_WINDOW_SKIP_TASKBAR : 0;
+    sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoTaskBarIcon) ? SDL_WINDOW_UTILITY : 0;
 #endif
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_TopMost) ? SDL_WINDOW_ALWAYS_ON_TOP : 0;
     vd->Window = SDL_CreateWindow("No Title Yet", (int)viewport->Size.x, (int)viewport->Size.y, sdl_flags);
@@ -801,7 +801,7 @@ static void ImGui_ImplSDL3_ShowWindow(ImGuiViewport* viewport)
     HWND hwnd = (HWND)viewport->PlatformHandleRaw;
 
     // SDL hack: Hide icon from task bar
-    // Note: SDL 2.0.6+ has a SDL_WINDOW_SKIP_TASKBAR flag which is supported under Windows but the way it create the window breaks our seamless transition.
+    // Note: SDL 3.0.0+ has a SDL_WINDOW_UTILITY flag which is supported under Windows but the way it create the window breaks our seamless transition.
     if (viewport->Flags & ImGuiViewportFlags_NoTaskBarIcon)
     {
         LONG ex_style = ::GetWindowLong(hwnd, GWL_EXSTYLE);