refactor: add builderNm field to session management

- Added builderNm field to both SessionData interface and initial state for enhanced session tracking.
- Ensured consistency across session management structures.

src/libs/session.ts

@@ -45,6 +45,7 @@ export const defaultSession: SessionData = {
   storeLvl: null,
   custCd: null,
   builderNo: null,
+  builderNm: null,
   isLoggedIn: false,
   role: null,
 }

src/store/session.ts

@@ -41,6 +41,7 @@ const initialState: InitialState = {
     storeLvl: null,
     custCd: null,
     builderNo: null,
+    builderNm: null,
     isLoggedIn: false,
     role: null,
   },