fix: Searching command with / using in18

[Ahad-patel]

closes : https://github.com/AppFlowy-IO/AppFlowy/issues/6265

I have added the name in keywords list where the in18 keys are added so whenever any one searche in their native language and the key is availaible then it will consider the key while searching for a section.

https://github.com/user-attachments/assets/20a65eaf-5d69-4d04-999a-899ce39bcdef

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72.22%. Comparing base (76daa96) to head (8f45a1f). Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...c/editor/selection_menu/selection_menu_widget.dart	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #966 +/- ## ========================================== - Coverage 72.22% 72.22% -0.01% ========================================== Files 318 318 Lines 15102 15103 +1 ========================================== Hits 10908 10908 - Misses 4194 4195 +1 ```

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