Fixing issues with nvidia-smi containers having the same name

[GitHK]

What do these changes do?

When multiple sidecars are assigned to the same node and they all try to run is_gpu_node they will all get the same pid thus failing to start the container.
The changes avoid this and fixe the behaviour.

Related issue number

How to test

Checklist

• Did you change any service's API? Then make sure to bundle document and upgrade version (make openapi-specs, git commit ... and then make version-*)
• Unit tests for the changes exist
• Runs in the swarm
• Documentation reflects the changes
• New module? Add your github username to .github/CODEOWNERS

[codecov]

Codecov Report

Merging #1727 into master will decrease coverage by 0.0%.
The diff coverage is 100.0%.

@@           Coverage Diff            @@
##           master   #1727     +/-   ##
========================================
- Coverage    72.5%   72.4%   -0.1%     
========================================
  Files         279     279             
  Lines       11267   11267             
  Branches     1238    1238             
========================================
- Hits         8173    8167      -6     
- Misses       2757    2764      +7     
+ Partials      337     336      -1     

Flag	Coverage Δ
#integrationtests	57.1% <100.0%> (ø)
#unittests	66.4% <100.0%> (-0.1%)	⬇️

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

Impacted Files	Coverage Δ
...vices/sidecar/src/simcore_service_sidecar/utils.py	90.1% <100.0%> (ø)
...ce_webserver/resource_manager/garbage_collector.py	66.0% <0.0%> (-3.5%)	⬇️
.../simcore_service_webserver/projects/projects_db.py	82.3% <0.0%> (-1.1%)	⬇️
.../director/src/simcore_service_director/producer.py	60.1% <0.0%> (+0.2%)	⬆️

[mguidon]

Beautiful