Bug 2022720 Test Version Refactor: Refactor how the expanded row's components are rendered

[kala-moz]

For bug: https://bugzilla.mozilla.org/show_bug.cgi?id=2022720

This PR continues the test version refactor work by removing the conditionals in RevisionRowExpandable by extending the methods in TestVersionStrategy to include components rendered in the expanded rows: expanded left, expanded right, expanded bottom, and getComparisonResult.

//src/common/testVersions/index.ts

export interface TestVersionStrategy {
  getColumns(isSubtestTable: boolean): TableConfig;
  getAvgValues(result: CombinedResultsItemType): {
    baseAvg: number | null;
    newAvg: number | null;
  };
  renderColumns(result: CombinedResultsItemType): ReactNode;
  renderExpandedLeft(result: CombinedResultsItemType): ReactNode;
  getComparisonResult(result: CombinedResultsItemType): string;
  renderExpandedRight(result: CombinedResultsItemType): ReactNode;
  renderExpandedBottom(result: CombinedResultsItemType): ReactNode;
}

Next, the components specific to the test versions were moved from the RevisionRowExpanded to the appropriate test version files. For example:

//src/common/testVersions/mannWhitney.tsx
...
  renderExpandedBottom(result: CombinedResultsItemType) {
    const mwResult = result as MannWhitneyResultsItem;
    return (
      <div style={{ display: 'flex' }}>
        <MannWhitneyCompareMetrics result={mwResult} />
        <StatisticsWarnings result={mwResult} />
      </div>
    );
  },

Now, RevisionRowExpanded just calls the strategy interface to render the components based on the test version.

//RevisionRowExpandable.tsx

...
  const strategy = getStrategy(testVersion);
...
   {strategy.renderExpandedLeft(result)} etc...

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.45%. Comparing base (cdca3ee) to head (20cd78b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1016      +/-   ##
==========================================
- Coverage   96.46%   96.45%   -0.01%     
==========================================
  Files         109      109              
  Lines        3051     3050       -1     
  Branches      691      686       -5     
==========================================
- Hits         2943     2942       -1     
  Misses        107      107              
  Partials        1        1              

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