fix: korge crashing after too many sounds are played on linux

[cmhulbert]

Code mostly provided by @soywiz, with minor modifications of my own. Thank you!
Closes #1728

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (2552220) 51.09% compared to head (e7fa75c) 51.09%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1747      +/-   ##
==========================================
- Coverage   51.09%   51.09%   -0.01%     
==========================================
  Files        1736     1736              
  Lines      101972   101981       +9     
  Branches    14460    14460              
==========================================
- Hits        52106    52104       -2     
- Misses      45889    45898       +9     
- Partials     3977     3979       +2     

Flag	Coverage Δ
unittests	51.09% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...onMain/kotlin/korlibs/audio/sound/backends/ALSA.kt	6.18% <0.00%> (-0.64%)	⬇️

... and 24 files with indirect coverage changes

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[soywiz]

Thanks!