MAINT: add missing cluster size selection for residual calculation
MAINT: add missing cluster size selection for residual calculation

SiLab-Bonn/testbeam_analysis,YannickDieter/testbeam_analysis,YannickDieter/testbeam_analysis,SiLab-Bonn/testbeam_analysis,SiLab-Bonn/testbeam_analysis,YannickDieter/testbeam_analysis,SiLab-Bonn/testbeam_analysis,YannickDieter/testbeam_analysis