Add settings screen UI tests

[yan-yangyang]

Description

This PR adds the following test cases:

1. Wide notation dropdown item should exist, should be enable, and should have click action.
2. Wide notation dropdown menu should display after Wide notation dropdown item is clicked.
3. All wide notation dropdown menu items should display after Wide notation dropdown item is clicked.
4. Add space after notation item should exist, should be enabled, and should have click action.
5. Auto space switch should exist, should be enabled, and should have click action.
6. Auto space switch value should be true in initial state.
7. Auto space switch value should be false after it is clicked.
8. Vibrate on tap should exist, should be enabled, and should have click action.
9. Vibrate on tap switch should exist, should be enabled, and should have click action.
10. Vibrate On Tap Switch value should be true in initial state.
11. Vibrate On Tap Switch value should be false after it is clicked.
12. Version should exist, should be enabled, and should have click action.

How to verify

1. All test cases should pass.
2. CI pipeline should pass.

Screenshots / Videos

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 45.67%. Comparing base (acecabc) to head (c6eb280).

Files	Patch %	Lines
...d/settings/ui/AddSpaceBetweenNotationSwitchItem.kt	75.00%	0 Missing and 1 partial ⚠️
...hushkeyboard/settings/ui/VibrateOnTapSwitchItem.kt	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #31      +/-   ##
==========================================
+ Coverage   44.46%   45.67%   +1.21%     
==========================================
  Files          36       36              
  Lines         686      694       +8     
  Branches      172      172              
==========================================
+ Hits          305      317      +12     
+ Misses        303      298       -5     
- Partials       78       79       +1     

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[ricky9667]

Thanks for your contribution, please help me resolve the comments 😎

[ricky9667]

LGTM.
Thank you!