Share autocomplete in frontend starts at one char

[PVince81]

Port of #31067 to master

[codecov]

Codecov Report

Merging #31070 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master   #31070   +/-   ##
=========================================
  Coverage     62.46%   62.46%           
  Complexity    18230    18230           
=========================================
  Files          1145     1145           
  Lines         68285    68285           
  Branches       1234     1234           
=========================================
  Hits          42651    42651           
  Misses        25273    25273           
  Partials        361      361

Flag	Coverage Δ	Complexity Δ
#javascript	52.03% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	63.65% <ø> (ø)	18230 <ø> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
core/js/sharedialogview.js	76.41% <ø> (ø)	0 <0> (ø)	⬇️

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