Update of several SE recipes and some minor fixes

[Emrys365]

What?

This PR updates the bash scripts in several SE recipes to make them easier to use and fixes some potential bugs that might be difficult to detect.

[sw005320]

@LiChenda, can you review this PR?

[codecov]

Codecov Report

Merging #5401 (fb9d672) into master (3a82677) will decrease coverage by 0.01%.
Report is 1 commits behind head on master.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #5401      +/-   ##
==========================================
- Coverage   77.19%   77.19%   -0.01%     
==========================================
  Files         679      679              
  Lines       61703    61709       +6     
==========================================
+ Hits        47630    47634       +4     
- Misses      14073    14075       +2     

Flag	Coverage Δ
test_configuration_espnet2	∅ <ø> (∅)
test_integration_espnet1	65.73% <ø> (ø)
test_integration_espnet2	48.54% <66.66%> (+<0.01%)	⬆️
test_python_espnet1	20.26% <0.00%> (-0.01%)	⬇️
test_python_espnet2	52.08% <0.00%> (-0.01%)	⬇️
test_utils	23.10% <ø> (ø)

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Files Changed	Coverage Δ
espnet2/bin/enh_tse_inference.py	90.43% <66.66%> (-0.59%)	⬇️

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[LiChenda]

Looks good to me !

[sw005320]

Thanks!