Participant grid hot fixes

[illusional]

• An issue with parsing sequencing group external IDs context
• Pagination was not working when selected manually
• Swapping lodash broke column values from meta
• Better logic for hiding empty (but present) columns by default
• Fixed an issue for family links showing undefined for no families

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 10 lines in your changes missing coverage. Please review.

Project coverage is 79.79%. Comparing base (7c88308) to head (9a96e2f).

:exclamation: Current head 9a96e2f differs from pull request most recent head fae24b4

Please upload reports for the commit fae24b4 to get more accurate results.

Files	Patch %	Lines
models/models/web.py	64.28%	10 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #845 +/- ## ======================================= Coverage 79.79% 79.79% ======================================= Files 168 168 Lines 14127 14141 +14 ======================================= + Hits 11272 11284 +12 - Misses 2855 2857 +2 ```

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