3174 3176 small studio UI fixes

[nicwells]

Fixes BlueBrain/nexus#3174, BlueBrain/nexus#3176

Description

How has this been tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added necessary unit and integration tests.
• I have added screenshots (if applicable), in the comment section.

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (1.7.1@5d46f91). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff            @@
##             1.7.1    #1076   +/-   ##
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  Coverage         ?   66.61%           
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  Files            ?       22           
  Lines            ?      668           
  Branches         ?      155           
========================================
  Hits             ?      445           
  Misses           ?      223           
  Partials         ?        0           

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