- Copy JungfrauConditions class for extra to use here.
- begin_at_strategy
- get_full_path new method
- Instead of get_from_db use CalibrationData API

- New corrected data source
- Link to old data source
- rename instrument*src to input or output *src

Change calibration action from FF to GAIN_INJECT and update out_folder in gain_map NBC to fit_data_folder

- initialize variables in charge_sharing func
- Histogram plots
- gain_mode always 1 for burst mode
- fix plot title

Remove unneeded parameters, read conditions the same, and rename is_strixel to be used like the correction notebook