🐛Computational backend: correct parsing of log lines

[sanderegg]

What do these changes do?

• fixed some issues with parsing progress logs output by old computational services
• improved reliability

Related issue/s

• relates to M1-12 Maintenance and DevOps osparc-issues#675

How to test

DevOps Checklist

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codeclimate]

Code Climate has analyzed commit 786c2ea and detected 0 issues on this pull request.

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[codecov]

Codecov Report

Merging #4220 (786c2ea) into master (0f9de05) will decrease coverage by 1.0%.
The diff coverage is 95.2%.

@@           Coverage Diff            @@
##           master   #4220     +/-   ##
========================================
- Coverage    84.6%   83.7%   -1.0%     
========================================
  Files         953     796    -157     
  Lines       41350   35597   -5753     
  Branches      953     543    -410     
========================================
- Hits        34996   29803   -5193     
+ Misses       6137    5665    -472     
+ Partials      217     129     -88     

Flag	Coverage Δ
integrationtests	68.4% <ø> (-0.2%)	⬇️
unittests	81.6% <95.2%> (+0.3%)	⬆️

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

Impacted Files	Coverage Δ
...ges/service-library/src/servicelib/docker_utils.py	100.0% <ø> (ø)
...dask_sidecar/computational_sidecar/docker_utils.py	93.1% <95.2%> (-0.5%)	⬇️

... and 243 files with indirect coverage changes