Fix header

ges :
Fix cmakes.
Fix filenames
Fix member names
Refactor UndoChunkUtils
RE-----
 
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Merge pull request #4642 from jufrantz/automatic_loading_of_chaser_plugins

Automatic loading of  `ExportChaser` and `ImportChaser` pluginsis no…both unchanged.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
opic.com>

Author: derlerk

lib/usd/ui/CMakeLists.txt

@@ -128,6 +128,7 @@ endif()
 set(HEADERS
     api.h
     initStringResources.h
+    undoChunkUtils.h
 )
 
 mayaUsd_promoteHeaderList( 

lib/usd/ui/debugTools/CompositionEditorCmd.cpp

@@ -15,10 +15,9 @@
 //
 #include "CompositionEditorCmd.h"
 
-#include "../undoChunkUtils.h"
-
 #include <mayaUsd/ufe/Utils.h>
 #include <mayaUsd/undo/MayaUsdUndoBlock.h>
+#include <mayaUsdUI/ui/undoChunkUtils.h>
 
 #include <usdUfe/undo/UsdUndoManager.h>