fix an issue manually seeking during playback

app/src/main/java/com/dkanada/gramophone/database/ServerDao.java

@@ -8,6 +8,8 @@ import androidx.room.Query;
 
 import com.dkanada.gramophone.model.Server;
 
+import java.util.List;
+
 @Dao
 public interface ServerDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
@@ -16,6 +18,9 @@ public interface ServerDao {
     @Delete
     void deleteServer(Server server);
 
+    @Query("SELECT * FROM servers")
+    List<Server> getServers();
+
     @Query("SELECT * FROM servers WHERE id = :id")
     Server getServer(String id);
 }