Issue 6904 - Extract some members of FFICommonConfig to separate object that can be defaulted

[m09526]

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Issue

• My PR fully resolves the following issues. I've referenced an issue in the PR title, for example "Issue 1234 - My
  Feature". Note that before an issue is finished, you can still make a pull request by raising a separate issue
  for your progress.
  • Resolves Extract some members of FFICommonConfig to separate object that can be defaulted. #6904

Tests

• My PR adds the following tests based on our test strategy OR does not need testing for this extremely good reason:
  • FFISleeperOptions

Documentation

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  separate issue for that below.
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