Rework access to 'old_seed'

[StuartWheater]

No description provided.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 25.00000% with 12 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (v6.3.4-dev@bc6b2d3). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
R/blackBoxDS.R	0.00%	2 Missing ⚠️
R/blackBoxRanksDS.R	0.00%	2 Missing ⚠️
R/heatmapPlotDS.R	0.00%	2 Missing ⚠️
R/histogramDS1.R	0.00%	2 Missing ⚠️
R/histogramDS2.R	0.00%	2 Missing ⚠️
R/scatterPlotDS.R	0.00%	2 Missing ⚠️
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Additional details and impacted files

@@              Coverage Diff              @@
##             v6.3.4-dev     #416   +/-   ##
=============================================
  Coverage              ?   29.42%           
=============================================
  Files                 ?      138           
  Lines                 ?     5729           
  Branches              ?        0           
=============================================
  Hits                  ?     1686           
  Misses                ?     4043           
  Partials              ?        0           

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