feat: add support for context menu items to the editor

[LucasXu0]

No description provided.

[codecov]

Codecov Report

Merging #410 (005847c) into main (f4db21c) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #410   +/-   ##
=======================================
  Coverage   80.63%   80.63%           
=======================================
  Files         254      254           
  Lines       10358    10360    +2     
=======================================
+ Hits         8352     8354    +2     
  Misses       2006     2006           

Files Changed	Coverage Δ
...ib/src/editor/editor_component/service/editor.dart	92.85% <100.00%> (+0.21%)	⬆️
...t/service/selection/desktop_selection_service.dart	82.05% <100.00%> (ø)
...or_component/service/selection_service_widget.dart	65.78% <100.00%> (ø)
...rvice/context_menu/built_in_context_menu_item.dart	100.00% <100.00%> (ø)