Fix#7753 intermittent AIOOBE when recording empty position undo in Hop GUI - #7754
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Signed-off-by: lance <leehaut@gmail.com>
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…apache#7754) Signed-off-by: lance <leehaut@gmail.com>
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Fix #7753
Summary
ArrayIndexOutOfBoundsExceptionin Hop GUI when a position undo is recorded with an empty selection after a slight transform drag/mouseUp.ChangeActionundo setters against null/empty or length-mismatched inputs; skip rejected (None) undo entries inAbstractMeta.addUndo.HopGuiPipelineGraph.mouseUpempty-selection check with the existing note/workflow paths, and add unit coverage for empty/mismatched position undo.