fix(web): include single selection to the selection mode

[keiya01]

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[codecov]

Codecov Report

Merging #643 (47d0567) into main (fdd4eeb) will decrease coverage by 0.01%.
Report is 4 commits behind head on main.
The diff coverage is 0.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #643      +/-   ##
==========================================
- Coverage   27.91%   27.91%   -0.01%     
==========================================
  Files        1459     1459              
  Lines      158957   158958       +1     
  Branches     3737     3737              
==========================================
  Hits        44378    44378              
- Misses     113489   113490       +1     
  Partials     1090     1090              

Flag	Coverage Δ
web	26.07% <0.00%> (-0.01%)	⬇️
web-beta	26.07% <0.00%> (-0.01%)	⬇️
web-classic	26.07% <0.00%> (-0.01%)	⬇️
web-utils	26.07% <0.00%> (-0.01%)	⬇️

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Files Changed	Coverage Δ
web/src/beta/lib/core/Crust/interactionMode.ts	0.00% <0.00%> (ø)