catch exception on socketio connection

[sanderegg]

What do these changes do?

• catch exception arising in socket.io connection

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 #1365 into master will decrease coverage by 0.03%.
The diff coverage is 73.33%.

@@            Coverage Diff            @@
##           master   #1365      +/-   ##
=========================================
- Coverage   72.64%   72.6%   -0.04%     
=========================================
  Files         201     201              
  Lines        8426    8437      +11     
  Branches      945     947       +2     
=========================================
+ Hits         6121    6126       +5     
- Misses       2028    2032       +4     
- Partials      277     279       +2

Flag	Coverage Δ
#integrationtests	57.57% <66.66%> (+0.01%)	⬆️
#unittests	66.75% <73.33%> (-0.03%)	⬇️

Impacted Files	Coverage Δ
...src/simcore_service_webserver/socketio/handlers.py	87.5% <71.42%> (-3.55%)	⬇️
...mcore_service_webserver/socketio/handlers_utils.py	92.59% <75%> (-7.41%)	⬇️
.../director/src/simcore_service_director/producer.py	66.75% <0%> (-0.26%)	⬇️

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[odeimaiz]

Catch 'em all

[pcrespov]

Minor Minor: capitalize :-)

[pcrespov]

MINOR:

from typing import Callable, Dict, Optional

HandlerT = Callable[[str, Dict, web.Application], Optional[bool]]

def register_socketio_handler(func: HandlerT) -> HandlerT:

And can even use HandlerT to assert signature below or moreover, perhaps mypy will catch issues when decorating functions of different signature