fix: use the enter character \u21a9

[Zaoei]

Description

an extra empty string was split due to \ufe0e

Fixes #721

Changes

// old
'↩︎'.split('') // ['↩', '︎'] \u21a9\ufe0e
// new
'↩'.split('') // ['↩'] \u21a9

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

Merging #746 (f4478d3) into main (05ad264) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #746   +/-   ##
=======================================
  Coverage   91.34%   91.34%           
=======================================
  Files         189      189           
  Lines        5947     5947           
  Branches     1426     1425    -1     
=======================================
  Hits         5432     5432           
  Misses        508      508           
  Partials        7        7           

Impacted Files	Coverage Δ
src/model/keybinding.ts	100.00% <ø> (ø)
src/components/tabs/tab.tsx	100.00% <0.00%> (ø)
src/components/tabs/tabExtra.tsx	100.00% <0.00%> (ø)

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[mortalYoung]

+1

[wewoor]

+1