WRR-6683: Remove logic to focus a slider when dragging with touch

[0x64]

Checklist

• [x] I have read and understand the contribution guide
• [x] 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

When a user drags a slider with touch to move the slider, a console error occurs.

Resolution

The console error occurs because a ref is not properly passed to ui/Slider so I created the patch first. But, after investigation and tests, I concluded that the logic using the ref is actually not needed anymore. Therefore, I want to remove the issued logic.

Additional Considerations

The issued logic is to focus a slider knob even a user touch slightly out of the slider knob to show a focus effect on the knob. We don't need this in the current Sandstone.

Links

WRR-6683

Comments

Enact-DCO-1.0-Signed-off-by: Seungcheon Baek (sc.baek@lge.com)

[codecov[bot]]

Codecov Report

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

Project coverage is 80.91%. Comparing base (d2b9211) to head (a20bcfb). Report is 2 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1751 +/- ## =========================================== + Coverage 80.84% 80.91% +0.06% =========================================== Files 148 148 Lines 6687 6679 -8 Branches 1990 1988 -2 =========================================== - Hits 5406 5404 -2 + Misses 972 967 -5 + Partials 309 308 -1 ```

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