Fix: Close dropdown on Shift + Tab and enable cyclic navigation for menu items.

[sthakur-c-2-eightfold]

SUMMARY:

Toggle Dropdown on Shift+Tab Behavior & Cyclic Navigation

• Added functionality to toggle dropdown visibility when pressing Shift + Tab.
• Maintains existing Tab behavior while adding Shift + Tab support.
• Provided a way to handle cyclic navigation for menu items.
• Introduced a flag applyCyclicNavigation in the List component:
  • When set to true, cyclic navigation is enabled.
  • When false or unset, the behavior remains unchanged.

GITHUB ISSUE (Open Source Contributors)

NA

JIRA TASK (Eightfold Employees Only):

https://eightfoldai.atlassian.net/browse/ENG-118833

CHANGE TYPE:

• Bugfix Pull Request
• Feature Pull Request

TEST COVERAGE:

• Tests for this change already exist
• I have added unittests for this change

TEST PLAN:

Toggle Dropdown on Shift+Tab

1. Pass toggleDropdownOnShiftTab ={false} to dropdown component
2. Navigate to dropdown button
3. Press Enter
4. Once Dropdown appear Press Shift+Tab
5. Observe Dropdown should close.

Screen.Recording.2025-02-04.at.5.16.08.PM.mov

Enabling Cyclic Navigation in Dropdown

1. Pass applyCyclicNavigation={true} to the List/Menu component.
2. Navigate to the dropdown button.
3. Press Enter to open the dropdown.
4. Use arrow keys to navigate through menu items.
5. Observe that focus cycles through the dropdown menu items seamlessly.

Screen.Recording.2025-02-06.at.2.51.57.PM.mov

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[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 84.48%. Comparing base (e790948) to head (e8ce6af).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/components/Dropdown/Dropdown.tsx	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #940   +/-   ##
=======================================
  Coverage   84.47%   84.48%           
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  Files        1100     1100           
  Lines       20513    20514    +1     
  Branches     7759     7760    +1     
=======================================
+ Hits        17329    17331    +2     
+ Misses       3097     3096    -1     
  Partials       87       87           

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