Cherry-pick 'fix_xuserid_optional_for_GC' into 'release/0.28'

Yan Sushchynski [EPAM/GC]requested to merge
cherry-pick-de6fdee3 into release/0.28

Make xuserid header optional for GC

See merge request !570 (merged)

(cherry picked from commit de6fdee3)

9b0f7cdc Make xuserid header optional for GC 037600fa Merge remote-tracking branch 'origin/master' into fix_xuserid_optional_for_GC 52b68042 Make xuserid header optional for GC in the default policies. 5ad150f5 update notice

Co-authored-by: Yan Sushchynski (EPAM) yan_sushchynski@epam.com

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