fix: link menu overflow in right

[sun-jiao]

Close #375 .

[codecov]

Codecov Report

Patch coverage: 95.45% and project coverage change: +0.02% 🎉

Comparison is base (6699d58) 80.80% compared to head (235a7c5) 80.82%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #478      +/-   ##
==========================================
+ Coverage   80.80%   80.82%   +0.02%     
==========================================
  Files         281      281              
  Lines       11635    11648      +13     
==========================================
+ Hits         9402     9415      +13     
  Misses       2233     2233              

Files Changed	Coverage Δ
.../toolbar/desktop/items/link/link_toolbar_item.dart	90.32% <95.45%> (+2.56%)	⬆️

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[sun-jiao]

So many codecov errors recently.