refactor(sentry): standardize exceptions to prevent Sentry minification

lib/features/labels/presentation/extensions/handle_label_action_type_extension.dart

@@ -86,7 +86,7 @@ extension HandleLabelActionTypeExtension on LabelController {
       );
     } else if (editLabelInteractor == null) {
       consumeState(
-        Stream.value(Left(EditLabelFailure(InteractorNotInitialized()))),
+        Stream.value(Left(EditLabelFailure(const InteractorNotInitialized()))),
       );
     } else {
       final labelId = selectedLabel.id;
@@ -159,7 +159,7 @@ extension HandleLabelActionTypeExtension on LabelController {
     } else if (deleteALabelInteractor == null) {
       emitFailure(
         controller: this,
-        failure: DeleteALabelFailure(InteractorNotInitialized()),
+        failure: DeleteALabelFailure(const InteractorNotInitialized()),
       );
     } else {
       consumeState(deleteALabelInteractor!.execute(accountId, label));

lib/features/labels/presentation/label_controller.dart

@@ -146,7 +146,7 @@ class LabelController extends BaseController with LabelContextMenuMixin {
     log('LabelController::_createNewLabel:Label: $label');
     if (_createNewLabelInteractor == null) {
       consumeState(
-        Stream.value(Left(CreateNewLabelFailure(InteractorNotInitialized()))),
+        Stream.value(Left(CreateNewLabelFailure(const InteractorNotInitialized()))),
       );
     } else {
       consumeState(_createNewLabelInteractor!.execute(accountId, label));