[EPIX][CORR] Optimize histograms and plots

Description

Optimization of plots in ePix Correction Notebook, as stated in https://git.xfel.eu/calibration/planning/-/issues/167

How Has This Been Tested?

Run 55 from p003346 (EPIX-1 and EPIX-2).

Relevant Documents (optional)

Comparision between the generated reports before/after this MR, where the histpgrams are optimized and the plots now show meaningfull information:

OLD: MID_EXP_EPIX-1_correct_003346_r55_230330_195859.pdf

NEW:EPIX100CORRECTCalibration_new.pdf

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Specifically:

• Using np.histogram instead of xcal.HistogramCalculator to calculate histograms
• Using extra_geom instead of xana.heatmapPlot
• Dynamic colorbar limits, replacing the fixed ones
• Added additional plot for cluster corrected data
• Added meaningfull titles to the plots

Reviewers

@ahmedk