adds close on blur and moves position of hidden hint text

[alexwbbr]

• Adds functionality where the options list will close on blur
• Moves the position of the hidden accessibility hint text so that it is not read out before the descriptive label

[codecov-commenter]

Codecov Report

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

Project coverage is 100.00%. Comparing base (f75fb28) to head (545a402).

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/1.0.0 #643 +/- ## =============================================== Coverage 100.00% 100.00% =============================================== Files 85 85 Lines 1546 1547 +1 Branches 538 538 =============================================== + Hits 1546 1547 +1 ```

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