fix(scrollgradient, stringformatter, truncatedlist, webterminal): csp

[AlexanderMelox]

Closes #6191

This PR fixes CSP violations in the following components:

• ScrollGradient
• StringFormatter
• TruncatedList
• WebTerminal

What did you change?

Removed inline styles, and added them with useIsomorphicEffect

How did you test and verify your work?

Storybook

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[amal-k-joy]

Looking good

ci checks failing

[codecov]

Codecov Report

Attention: Patch coverage is 87.17949% with 5 lines in your changes missing coverage. Please review.

Project coverage is 79.63%. Comparing base (98b30f3) to head (d20cd2b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6346      +/-   ##
==========================================
+ Coverage   79.61%   79.63%   +0.02%     
==========================================
  Files         394      394              
  Lines       12871    12900      +29     
  Branches     4268     4273       +5     
==========================================
+ Hits        10247    10273      +26     
- Misses       2624     2627       +3     

Components	Coverage Δ
ibm-products	∅ <ø> (∅)
ibm-products-web-components	∅ <ø> (∅)

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