fix(ui-ux): rename dUSDT to csUSDT

[nattadex]

What this PR does / why we need it:

Which issue(s) does this PR fixes?:

Fixes #

Additional comments?:

Developer Checklist:

• [ ] Read your code changes at least once
• [ ] Tested on iOS/Android device (e.g, No crashes, library supported etc.)
• [ ] No console errors on web
• [ ] Tested on Light mode and Dark mode*
• [ ] Your UI implementation visually matched the rendered design*
• [ ] Unit tests*
• [ ] Added e2e tests*
• [ ] Added translations*

[github-actions[bot]]

Missing Translations Report

The following translations are missing for this pull request.

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[github-actions[bot]]

Build preview for DeFiChain Wallet is ready!

Built with commit a1c80890017e49d056155d647e219f2768ab2ba3

https://expo.io/@defichain/wallet?release-channel=pr-preview-4186

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 47.64706% with 89 lines in your changes missing coverage. Please review.

Project coverage is 53.96%. Comparing base (d1cd46b) to head (0f2fa51).

Files	Patch %	Lines
mobile-app/app/api/token/dusdt_converter.ts	49.12%	23 Missing and 6 partials :warning:
...r/screens/Auctions/screens/AuctionDetailScreen.tsx	0.00%	13 Missing :warning:
...reens/AppNavigator/screens/Dex/DexAddLiquidity.tsx	40.00%	4 Missing and 2 partials :warning:
...ppNavigator/screens/Loans/components/VaultCard.tsx	0.00%	6 Missing :warning:
.../AppNavigator/screens/Dex/hook/DexStabilization.ts	61.53%	5 Missing :warning:
...vigator/screens/Loans/hooks/CollateralTokenList.ts	0.00%	5 Missing :warning:
...or/screens/Portfolio/components/TotalPortfolio.tsx	0.00%	3 Missing and 2 partials :warning:
...ultDetail/components/VaultDetailCollateralsRow.tsx	0.00%	3 Missing :warning:
...Navigator/screens/Loans/components/VaultBanner.tsx	0.00%	3 Missing :warning:
mobile-app/app/components/BottomSheetTokenList.tsx	0.00%	2 Missing :warning:
... and 8 more

:exclamation: There is a different number of reports uploaded between BASE (d1cd46b) and HEAD (0f2fa51). Click for more details.

HEAD has 145 uploads less than BASE

| Flag | BASE (d1cd46b) | HEAD (0f2fa51) | |------|------|------| ||151|6|

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4186 +/- ## ========================================== - Coverage 59.98% 53.96% -6.02% ========================================== Files 442 443 +1 Lines 12581 12685 +104 Branches 4129 4230 +101 ========================================== - Hits 7547 6846 -701 - Misses 4974 5770 +796 - Partials 60 69 +9 ```

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