WRR-387: `Panels`: Updated documentation for arranger

[vJIYEv]

Checklist

• [x] I have read and understand the contribution guide
• [ ] A CHANGELOG entry is included
• [ ] At least one test case is included for this feature or bug fix
• [x] Documentation was added or is not needed
• [ ] This is an API breaking change

Issue Resolved / Feature Added

Default value of arranger prop in Sandstone/Panels does not match the documentation. Documentation says the default is ui/ViewManager.SlideLeftArranger, but actual value is BasicArranger from internals/Panles/Arrangers.js.

Resolution

Default value was changed in https://github.com/enactjs/sandstone/pull/315 from SlideLeftArranger to BasicArranger but BasicArranger is for internal use. So instead of updating documentation of arranger in Sandstone/Panels, I updated documentation of BasicArranger to explain what it is.

Additional Considerations

Links

WRR-387

Comments

Enact-DCO-1.0-Signed-off-by: Jiye Kim (jiye.kim@lge.com)

[codecov[bot]]

Codecov Report

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

Project coverage is 81.21%. Comparing base (3ad4630) to head (8e5369d). Report is 4 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1752 +/- ## =========================================== + Coverage 80.80% 81.21% +0.40% =========================================== Files 148 148 Lines 6675 6807 +132 Branches 1985 2061 +76 =========================================== + Hits 5394 5528 +134 + Misses 972 970 -2 Partials 309 309 ```

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