Fix missing includes

Author: mircearoata

AssetGenerator/Source/AssetGenerator/Private/Toolkit/AssetGeneration/AssetGeneratorWidget.cpp

@@ -3,6 +3,8 @@
 #include "IDesktopPlatform.h"
 #include "AssetGeneration/AssetGeneratorLocalSettings.h"
 #include "Toolkit/AssetGeneration/AssetDumpViewWidget.h"
+#include "Toolkit/AssetGeneration/AssetTypeGenerator.h"
+#include "Widgets/Input/SSlider.h"
 
 #define LOCTEXT_NAMESPACE "AssetGenerator"
 
@@ -310,4 +312,4 @@ FReply SAssetGeneratorWidget::OnBrowseOutputPathPressed() {
 	return FReply::Handled();
 }
 
-#undef LOCTEXT_NAMESPACE
+#undef LOCTEXT_NAMESPACE