ADR Canonical - Alternate row striping by disposition

[johnnyporkchops]

Summary (required)

• Resolves #6228
• Check whether the number of collated adrs is odd or even to determine the style of the appended rows that follow (non_monetary_terms).

Required reviewers

One dev

Impacted areas of the application

adr canonical page

Related PRs

https://github.com/fecgov/fec-cms/pull/6216

How to test

• checkout and run branch
• Find an ADR with multiple rows in the disposition table and check correct alternating row styles
• An ADRs with only one non-monetary term for testing the change from >1 to >0 : http://127.0.0.1:8000/data/legal/alternative-dispute-resolution/1151/

[codecov[bot]]

Codecov Report

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

Project coverage is 77.92%. Comparing base (18b826d) to head (0634028).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #6243 +/- ## ======================================== Coverage 77.92% 77.92% ======================================== Files 289 289 Lines 9364 9364 Branches 681 681 ======================================== Hits 7297 7297 Misses 2067 2067 ```

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