UI/UX: Dashboard Cleanup, Follow-Up I

[odeimaiz]

What do these changes do?

• Major aligned elements in Dashboard
• "Dashboard" is only a button when you are in the Study Editor (also shows a "back" arrow), otherwise it's a label
• Study sheet:
  • "Create New Study" -> "Empty Study"
  • Title text’s baseline aligned with the menu button
  • More padding
  • Longer vertically than horizontally.
  • File related icons: empty file (new from scratch), copy file (template), file with text (own study)

Before:

After:

Related issue number

ITISFoundation/osparc-issues#169

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 #1497 into master will decrease coverage by 14.67%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #1497       +/-   ##
===========================================
- Coverage   73.91%   59.23%   -14.68%     
===========================================
  Files         107      233      +126     
  Lines        4523     9688     +5165     
  Branches      468     1085      +617     
===========================================
+ Hits         3343     5739     +2396     
- Misses       1072     3671     +2599     
- Partials      108      278      +170     

Flag	Coverage Δ
#integrationtests	58.00% <0.00%> (?)
#unittests	53.03% <0.00%> (-20.89%)	⬇️

Impacted Files	Coverage Δ
...erver/src/simcore_service_webserver/rest_models.py	0.00% <0.00%> (-91.18%)	⬇️
...er/src/simcore_service_webserver/storage_routes.py	20.00% <0.00%> (-80.00%)	⬇️
...er/src/simcore_service_webserver/users_handlers.py	28.03% <0.00%> (-68.23%)	⬇️
...er/src/simcore_service_webserver/login/handlers.py	22.39% <0.00%> (-65.11%)	⬇️
...mcore_service_webserver/projects/projects_utils.py	14.11% <0.00%> (-64.71%)	⬇️
...er/src/simcore_service_webserver/studies_access.py	24.46% <0.00%> (-63.83%)	⬇️
...src/simcore_service_webserver/activity/handlers.py	26.08% <0.00%> (-63.77%)	⬇️
...imcore_service_webserver/diagnostics_monitoring.py	29.50% <0.00%> (-62.30%)	⬇️
...mcore_service_webserver/login/api_keys_handlers.py	36.76% <0.00%> (-55.89%)	⬇️
...rc/simcore_service_webserver/diagnostics_plugin.py	45.16% <0.00%> (-54.84%)	⬇️
... and 183 more

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