refactor: details modals tweaks

[alexbarnsley]

Summary

• Fixed positioning of the Amount icon
• Removed border of top row on Vote modal

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

Merging #2194 into 3.0-react will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##           3.0-react     #2194    +/-   ##
============================================
  Coverage     100.00%   100.00%            
============================================
  Files             45       117    +72     
  Lines            298       930   +632     
  Branches          49       144    +95     
============================================
+ Hits             298       930   +632     

Flag	Coverage Δ
#unit	100.00% <100.00%> (?)

Impacted Files	Coverage Δ
src/app/components/Button/Button.tsx	100.00% <ø> (ø)
src/app/components/Card/Card.tsx	100.00% <ø> (ø)
src/app/components/Card/CardControl.tsx	100.00% <ø> (ø)
src/app/components/Circle/Circle.tsx	100.00% <ø> (ø)
src/app/components/Divider/Divider.styles.ts	100.00% <ø> (ø)
src/app/components/Divider/Divider.tsx	100.00% <ø> (ø)
src/app/components/Form/Form.tsx	100.00% <ø> (ø)
src/app/components/Form/FormField.tsx	100.00% <ø> (ø)
src/app/components/Form/FormHelperText.tsx	100.00% <ø> (ø)
src/app/components/Form/FormLabel.tsx	100.00% <ø> (ø)
... and 126 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 96726c3...1fae41f. Read the comment docs.