Refactor Duplicate Code in wallets.js

[BrosG]

The getWalletTron and getWalletTronV2 functions in wallets.js have a significant amount of duplicate code. Both functions retrieve a wallet from the database, decrypt it if a keystore exists, and generate a Tron wallet from a seed.
Suggestion: Refactor these functions to eliminate duplicate code. This could be achieved by creating a reusable function that performs the common tasks. Any differences between the two functions can be handled with arguments or options passed to this new function.

Verification: After refactoring, verify that both getWalletTron and getWalletTronV2 functions are working as expected. This can be done by running your suite of tests, if available, or manually testing the functionality of these functions.