fix: 가입 완료 화면에서 시스템 뒤로가기 시, 홈화면으로 이동

Author: jinukeu

feature/signup/src/main/java/com/yapp/feature/signup/signup/SignUpViewModel.kt

@@ -66,12 +66,15 @@ class SignUpViewModel @Inject constructor(
                     SignUpStep.Position -> SignUpStep.Password
                     SignUpStep.Password -> SignUpStep.Email
                     SignUpStep.Email -> SignUpStep.Name
-                    SignUpStep.Complete,
                     SignUpStep.Pending,
                     SignUpStep.Name -> {
                         postSideEffect(SignUpSideEffect.NavigateBack)
                         return
                     }
+                    SignUpStep.Complete -> {
+                        postSideEffect(SignUpSideEffect.NavigateHome)
+                        return
+                    }
                 }
 
                 reduce {