Change func name to sort_runs_by_gain, fix docstring, use sorted runs, and fix high gain run check condition

1. Move Initialize_from_db to the notebook
2. Remove function and it's test from cal_tools
3. Use CalibrationData Latex table displaying constant timestamps
4. Start storing data in fragment file
5. Avoid errors in case Thresholds or Noise were not retrieved.
6. Update and cleanup cell for adding timing summary