Convert 'sealed' sub-object to 'data object'

app/src/main/java/com/google/samples/apps/nowinandroid/MainActivityViewModel.kt

@@ -43,6 +43,6 @@ class MainActivityViewModel @Inject constructor(
 }
 
 sealed interface MainActivityUiState {
-    object Loading : MainActivityUiState
+    data object Loading : MainActivityUiState
     data class Success(val userData: UserData) : MainActivityUiState
 }

core/common/src/main/java/com/google/samples/apps/nowinandroid/core/result/Result.kt

@@ -24,7 +24,7 @@ import kotlinx.coroutines.flow.onStart
 sealed interface Result<out T> {
     data class Success<T>(val data: T) : Result<T>
     data class Error(val exception: Throwable? = null) : Result<Nothing>
-    object Loading : Result<Nothing>
+    data object Loading : Result<Nothing>
 }
 
 fun <T> Flow<T>.asResult(): Flow<Result<T>> {

core/ui/src/main/java/com/google/samples/apps/nowinandroid/core/ui/NewsFeed.kt

@@ -112,7 +112,7 @@ sealed interface NewsFeedUiState {
     /**
      * The feed is still loading.
      */
-    object Loading : NewsFeedUiState
+    data object Loading : NewsFeedUiState
 
     /**
      * The feed is loaded with the given list of news resources.

feature/foryou/src/main/java/com/google/samples/apps/nowinandroid/feature/foryou/OnboardingUiState.kt

@@ -25,17 +25,17 @@ sealed interface OnboardingUiState {
     /**
      * The onboarding state is loading.
      */
-    object Loading : OnboardingUiState
+    data object Loading : OnboardingUiState
 
     /**
      * The onboarding state was unable to load.
      */
-    object LoadFailed : OnboardingUiState
+    data object LoadFailed : OnboardingUiState
 
     /**
      * There is no onboarding state.
      */
-    object NotShown : OnboardingUiState
+    data object NotShown : OnboardingUiState
 
     /**
      * There is a onboarding state, with the given lists of topics.

feature/interests/src/main/java/com/google/samples/apps/nowinandroid/feature/interests/InterestsViewModel.kt

@@ -53,11 +53,11 @@ class InterestsViewModel @Inject constructor(
 }
 
 sealed interface InterestsUiState {
-    object Loading : InterestsUiState
+    data object Loading : InterestsUiState
 
     data class Interests(
         val topics: List<FollowableTopic>,
     ) : InterestsUiState
 
-    object Empty : InterestsUiState
+    data object Empty : InterestsUiState
 }