🐛 fixes unhandled access-rights exception in projects

[pcrespov]

What do these changes do?

• 🐛 Fixes unhandled access-rights exception in projects rest handlers detected in master
• 🎨 Cleanup error messages in study dispatcher

Related issue/s

• issue discovered in graylog of master deploy

How to test

Dev-ops

None

[codecov]

Codecov Report

Attention: Patch coverage is 82.60870% with 4 lines in your changes missing coverage. Please review.

Project coverage is 86.70%. Comparing base (81eb245) to head (e100674).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7012      +/-   ##
==========================================
- Coverage   86.92%   86.70%   -0.22%     
==========================================
  Files        1638     1280     -358     
  Lines       64620    54768    -9852     
  Branches     2041     1008    -1033     
==========================================
- Hits        56168    47488    -8680     
+ Misses       8112     7082    -1030     
+ Partials      340      198     -142     

Flag	Coverage Δ
integrationtests	64.84% <39.13%> (+0.25%)	⬆️
unittests	85.43% <82.60%> (+0.18%)	⬆️

Components	Coverage Δ
api	∅ <ø> (∅)
pkg_aws_library	∅ <ø> (∅)
pkg_dask_task_models_library	∅ <ø> (∅)
pkg_models_library	∅ <ø> (∅)
pkg_notifications_library	∅ <ø> (∅)
pkg_postgres_database	∅ <ø> (∅)
pkg_service_integration	∅ <ø> (∅)
pkg_service_library	73.65% <ø> (+0.05%)	⬆️
pkg_settings_library	∅ <ø> (∅)
pkg_simcore_sdk	85.38% <ø> (ø)
agent	96.82% <ø> (ø)
api_server	90.13% <ø> (ø)
autoscaling	96.09% <ø> (ø)
catalog	90.57% <ø> (ø)
clusters_keeper	99.48% <ø> (ø)
dask_sidecar	91.26% <ø> (ø)
datcore_adapter	93.18% <ø> (ø)
director	76.40% <ø> (ø)
director_v2	91.40% <ø> (-0.02%)	⬇️
dynamic_scheduler	97.19% <ø> (ø)
dynamic_sidecar	89.74% <ø> (ø)
efs_guardian	90.12% <ø> (ø)
invitations	93.44% <ø> (ø)
osparc_gateway_server	∅ <ø> (∅)
payments	92.66% <ø> (ø)
resource_usage_tracker	89.50% <ø> (-0.12%)	⬇️
storage	89.54% <ø> (ø)
webclient	∅ <ø> (∅)
webserver	84.08% <82.60%> (-0.01%)	⬇️

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud