feat: refactor override and utils to strings

[Jshhhh]

Problem

refactor override and utils functions to strings

Automated tests

• Unit tests added/updated
• E2E tests added/updated
• N/A - (provide a reason)
• deferred - (provide GitHub issue for tracking)

Housekeeping

• No non-essential console logs
• All new files contain license notice

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov-commenter]

Codecov Report

Merging #1106 (b5d1651) into main (4fb3cb7) will decrease coverage by 0.28%.
The diff coverage is 37.43%.

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@@            Coverage Diff             @@
##             main    #1106      +/-   ##
==========================================
- Coverage   91.36%   91.09%   -0.28%     
==========================================
  Files         141      143       +2     
  Lines        6244     6288      +44     
  Branches     1841     1897      +56     
==========================================
+ Hits         5705     5728      +23     
- Misses        517      540      +23     
+ Partials       22       20       -2     

Files	Coverage Δ
.../codegen-ui-react/lib/forms/react-form-renderer.ts	96.78% <100.00%> (+0.01%)	⬆️
...ges/codegen-ui-react/lib/imports/import-mapping.ts	100.00% <ø> (ø)
...gen-ui-react/lib/react-studio-template-renderer.ts	93.62% <100.00%> (+0.01%)	⬆️
...-react/lib/react-utils-studio-template-renderer.ts	95.00% <100.00%> (-1.00%)	⬇️
...codegen-ui-react/lib/utils-file-functions/index.ts	100.00% <100.00%> (ø)
...le-functions/overrides/getOverridesFromVariants.ts	100.00% <100.00%> (ø)
...-react/lib/utils-file-functions/overrides/index.ts	100.00% <100.00%> (ø)
...e-functions/overrides/mergeVariantsAndOverrides.ts	100.00% <100.00%> (ø)
...b/utils-file-functions/overrides/override-types.ts	100.00% <100.00%> (ø)
...react/lib/utils-file-functions/string-formatter.ts	100.00% <100.00%> (ø)
... and 7 more

... and 7 files with indirect coverage changes

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