Added attributes pc_tag and scope to fvCtx

[abrahammughal]

Fixes #1237

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 87.09%. Comparing base (5f5cc63) to head (d6c3b53). Report is 3 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1238 +/- ## ========================================== + Coverage 87.03% 87.09% +0.05% ========================================== Files 43 45 +2 Lines 11223 11802 +579 ========================================== + Hits 9768 10279 +511 - Misses 991 1035 +44 - Partials 464 488 +24 ```

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