Extending data_manager

[GitHK]

What do these changes do?

Adds is_file_present_in_storage call to the data_manager. This will help with saving and restoring states for dynamic service.

Related issue/s

helps solving ITISFoundation/osparc-issues#429

How to test

Checklist

[codecov]

Codecov Report

Merging #2196 (3a640c7) into master (b895660) will increase coverage by 0.4%.
The diff coverage is 92.3%.

@@           Coverage Diff            @@
##           master   #2196     +/-   ##
========================================
+ Coverage    72.6%   73.1%   +0.4%     
========================================
  Files         465     465             
  Lines       17886   17899     +13     
  Branches     1763    1763             
========================================
+ Hits        12990   13085     +95     
+ Misses       4435    4355     -80     
+ Partials      461     459      -2     

Flag	Coverage Δ
integrationtests	65.3% <84.6%> (+<0.1%)	⬆️
unittests	66.5% <15.3%> (-1.2%)	⬇️

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

Impacted Files	Coverage Δ
...core-sdk/src/simcore_sdk/node_data/data_manager.py	93.3% <50.0%> (-2.1%)	⬇️
...core-sdk/src/simcore_sdk/node_ports/filemanager.py	82.8% <100.0%> (+1.2%)	⬆️
.../director/src/simcore_service_director/producer.py	61.1% <0.0%> (+0.4%)	⬆️
...simcore_service_webserver/projects/projects_api.py	87.3% <0.0%> (+0.9%)	⬆️
.../sidecar/src/simcore_service_sidecar/log_parser.py	82.0% <0.0%> (+8.9%)	⬆️
...vices/sidecar/src/simcore_service_sidecar/utils.py	79.4% <0.0%> (+24.6%)	⬆️
...sidecar/src/simcore_service_sidecar/celery_task.py	28.8% <0.0%> (+28.8%)	⬆️
...src/simcore_service_sidecar/celery_configurator.py	91.1% <0.0%> (+91.1%)	⬆️

[pcrespov]

Q: i wonder if this coroutine can be cancelled because you are capturing with a broad-except. See this example:

async def foo():
  ...
  await is_metadata_for_entry(..)
  ...
  
# somewhere else, a code calls to cancel task associated to foo
task_foo.cancel()
await task_foo  

[sanderegg]

maybe just check my suggestions. otherwise this looks perfect.