refactor(app_configuration): rename clearErrorMessage to clearException

- Renamed `clearErrorMessage` to `clearException`
- Updated state and bloc to reflect the change

Author: fulleni

lib/app_configuration/bloc/app_configuration_bloc.dart

@@ -100,7 +100,7 @@ class AppConfigurationBloc
       state.copyWith(
         remoteConfig: event.remoteConfig,
         isDirty: true,
-        clearErrorMessage: true, // Clear any previous error messages
+        clearException: true, // Clear any previous error messages
         clearShowSaveSuccess: true, // Clear success snackbar on field change
       ),
     );
@@ -114,7 +114,7 @@ class AppConfigurationBloc
       state.copyWith(
         remoteConfig: state.originalRemoteConfig, // Revert to original config
         isDirty: false,
-        clearErrorMessage: true, // Clear any previous error messages
+        clearException: true, // Clear any previous error messages
         clearShowSaveSuccess: true, // Clear success snackbar
       ),
     );

lib/app_configuration/bloc/app_configuration_state.dart

@@ -54,15 +54,15 @@ class AppConfigurationState extends Equatable {
     RemoteConfig? originalRemoteConfig,
     HtHttpException? exception,
     bool? isDirty,
-    bool clearErrorMessage = false,
+    bool clearException = false,
     bool? showSaveSuccess,
     bool clearShowSaveSuccess = false,
   }) {
     return AppConfigurationState(
       status: status ?? this.status,
       remoteConfig: remoteConfig ?? this.remoteConfig,
       originalRemoteConfig: originalRemoteConfig ?? this.originalRemoteConfig,
-      exception: clearErrorMessage ? null : exception ?? this.exception,
+      exception: clearException ? null : exception ?? this.exception,
       isDirty: isDirty ?? this.isDirty,
       showSaveSuccess: clearShowSaveSuccess
           ? false