feat(database): Add pre-migration cleanup actions

This commit introduces pre-migration cleanup actions to ensure data integrity.

It removes map data details associated with map data IDs that have an
earlier creation date, eliminating potential inconsistencies in map data
details.

pkg/database/gorm.go

@@ -87,6 +87,13 @@ func preMigrationActions(db *gorm.DB) error {
 	q = db.
 		Where("id < (select max(id) from workouts as w where w.date = workouts.date and w.user_id = workouts.user_id)").
 		Delete(&Workout{})
+	if q.Error != nil {
+		return q.Error
+	}
+
+	q = db.
+		Where("map_data_id IN (SELECT map_data_id FROM map_data_details as mdd where map_data_details.created_at < mdd.created_at)").
+		Delete(&MapDataDetails{})
 
 	return q.Error
 }