fix: the interaction bug of MenuBar in horizontal mode

[kiwiwong]

Description

修复了在 Taiga 中点击 MenuBar 的菜单项并关闭了菜单后，再 hover 菜单项时仍会自动展示菜单的问题。

Changes

• Optimized the interaction logic of MenuBar in horizontal mode.

[codecov]

Codecov Report

Merging #647 (c3a2048) into main (1c776c7) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #647   +/-   ##
=======================================
  Coverage   89.30%   89.31%           
=======================================
  Files         185      185           
  Lines        5593     5597    +4     
  Branches     1325     1330    +5     
=======================================
+ Hits         4995     4999    +4     
  Misses        590      590           
  Partials        8        8           

Impacted Files	Coverage Δ
src/workbench/menuBar/horizontalView.tsx	100.00% <100.00%> (ø)

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[wewoor]

+1

[mortalYoung]

+1