ticket25573 321 B

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  1. o Minor features (controller):
  2. - For purposes of CIRC_BW-based dropped cell detection, track half-closed
  3. stream ids, and allow their ENDs, SENDMEs, DATA and path bias check
  4. cells to arrive without counting it as dropped until either the END arrvies,
  5. or the windows are empty. Closes ticket 25573.