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/src/modules/auth/graphql/mutations/challenge.ts

@@ -1,15 +0,0 @@
-import { gql } from '@apollo/client';
-
-export const CHALLENGE = gql`
-  mutation Challenge(
-    $email: String!
-    $password: String!
-    $captchaToken: String
-  ) {
-    challenge(email: $email, password: $password, captchaToken: $captchaToken) {
-      loginToken {
-        ...AuthTokenFragment
-      }
-    }
-  }
-`;

packages/twenty-front/src/modules/auth/graphql/mutations/getAuthTokensFromLoginToken.ts

@@ -0,0 +1,11 @@
+import { gql } from '@apollo/client';
+
+export const GET_AUTH_TOKENS_FROM_LOGIN_TOKEN = gql`
+  mutation GetAuthTokensFromLoginToken($loginToken: String!) {
+    getAuthTokensFromLoginToken(loginToken: $loginToken) {
+      tokens {
+        ...AuthTokensFragment
+      }
+    }
+  }
+`;

packages/twenty-front/src/modules/auth/graphql/mutations/getLoginTokenFromCredentials.ts

@@ -0,0 +1,19 @@
+import { gql } from '@apollo/client';
+
+export const GET_LOGIN_TOKEN_FROM_CREDENTIALS = gql`
+  mutation GetLoginTokenFromCredentials(
+    $email: String!
+    $password: String!
+    $captchaToken: String
+  ) {
+    getLoginTokenFromCredentials(
+      email: $email
+      password: $password
+      captchaToken: $captchaToken
+    ) {
+      loginToken {
+        ...AuthTokenFragment
+      }
+    }
+  }
+`;

packages/twenty-front/src/modules/auth/graphql/mutations/verify.ts

@@ -1,11 +0,0 @@
-import { gql } from '@apollo/client';
-
-export const VERIFY = gql`
-  mutation Verify($loginToken: String!) {
-    verify(loginToken: $loginToken) {
-      tokens {
-        ...AuthTokensFragment
-      }
-    }
-  }
-`;