feat(dict)!: break system dict loader to load base and extra separately

[kanru]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 62.50000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 89.83%. Comparing base (33c4144) to head (95f6eeb).

Files with missing lines	Patch %	Lines
src/editor/mod.rs	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #668      +/-   ##
==========================================
- Coverage   89.85%   89.83%   -0.03%     
==========================================
  Files          42       42              
  Lines        8763     8775      +12     
==========================================
+ Hits         7874     7883       +9     
- Misses        889      892       +3     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.