[BOOK-147] refactor: SettingUiState 기본값 설정

Author: seoyoon513

feature/settings/src/main/kotlin/com/ninecraft/booket/feature/settings/SettingsScreen.kt

@@ -225,11 +225,6 @@ private fun SettingsScreenPreview() {
     ReedTheme {
         Settings(
             state = SettingsUiState(
-                isLoading = false,
-                isLogoutDialogVisible = false,
-                isWithdrawBottomSheetVisible = false,
-                isWithdrawConfirmed = false,
-                sideEffect = null,
                 eventSink = {},
             ),
         )

feature/settings/src/main/kotlin/com/ninecraft/booket/feature/settings/SettingsUiState.kt

@@ -4,10 +4,10 @@ import com.slack.circuit.runtime.CircuitUiEvent
 import com.slack.circuit.runtime.CircuitUiState
 
 data class SettingsUiState(
-    val isLoading: Boolean,
-    val isLogoutDialogVisible: Boolean,
-    val isWithdrawBottomSheetVisible: Boolean,
-    val isWithdrawConfirmed: Boolean,
+    val isLoading: Boolean = false,
+    val isLogoutDialogVisible: Boolean = false,
+    val isWithdrawBottomSheetVisible: Boolean = false,
+    val isWithdrawConfirmed: Boolean = false,
     val sideEffect: SettingsSideEffect? = null,
     val eventSink: (SettingsUiEvent) -> Unit,
 ) : CircuitUiState