Rename Preview button and Disable Save

[dhaneshnm]

• Rename preview button to column configuration.
• Disable save unless column config is clicked already.

Fixes BlueBrain/nexus/issues/3296

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

Merging #1117 (2678390) into main (5007a23) will increase coverage by 1.67%.
The diff coverage is 70.83%.

@@            Coverage Diff             @@
##             main    #1117      +/-   ##
==========================================
+ Coverage   67.07%   68.75%   +1.67%     
==========================================
  Files          21       14       -7     
  Lines         568      528      -40     
  Branches      126      125       -1     
==========================================
- Hits          381      363      -18     
+ Misses        187      165      -22     

Impacted Files	Coverage Δ
src/shared/store/actions/auth.ts	40.42% <ø> (ø)
src/shared/utils/stringSimilarity.ts	56.25% <22.22%> (-43.75%)	⬇️
src/shared/utils/index.ts	75.00% <77.77%> (+0.96%)	⬆️
src/shared/components/Copy/index.tsx
src/shared/components/Header/index.tsx
src/shared/components/Login/index.tsx
src/shared/components/ConsentPreferences/index.tsx
src/shared/utils/copy.ts

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