wa: add dummy blits before command MI_FLUSH_DW

to guarantee that all subblt got complete for previous copy
affect xe hpg

temporary changes under flag ForceDummyBlitWa

Related-To: NEO-7450

Signed-off-by: Cencelewska, Katarzyna <katarzyna.cencelewska@intel.com>

shared/test/common/mocks/mock_command_encoder.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2023 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#pragma once
+#include "shared/source/command_container/command_encoder.h"
+
+namespace NEO {
+template <typename GfxFamily>
+struct MockEncodeMiFlushDW : EncodeMiFlushDW<GfxFamily> {
+    using EncodeMiFlushDW<GfxFamily>::getWaSize;
+};
+} // namespace NEO