Rename Unintuitive Function Names in Authentication Flow (#9706)

Resolves #9623

## Description

This PR renames the following functions to better reflect their purpose.

- Backend:
  - Verify → GetAuthTokensFromLoginToken
  - Challenge → GetLoginTokenFromCredentials

- Frontend:
  - challenge → getLoginTokenFromCredentials
  - verify → getAuthTokensFromLoginToken

## Testing
_Sign in works as expected:_


https://github.com/user-attachments/assets/7e8f73c7-2c7d-4cd2-9965-5ad9f5334cd3

_Sign up works as expected:_
  

https://github.com/user-attachments/assets/d1794ee4-8b59-4934-84df-d819eabd5224

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-front/codegen.cjs

@@ -10,6 +10,7 @@ module.exports = {
     './src/modules/**/*.tsx',
     './src/modules/**/*.ts',
     '!./src/**/*.test.tsx',
+    '!./src/**/*.stories.tsx',
     '!./src/**/__mocks__/*.ts',
     '!./src/modules/users/graphql/queries/getCurrentUserAndViews.ts',
   ],