CartesianPlot: entering invalid ranges lead to break plot

When entering invalid ranges the plot is broken

Fehlersuchversion bfd0c5c
Dec 6 2022, 10:40:14
System: KDE Flatpak runtime
Lokalisierung: German,Germany (Dezimalpunkt ',', Tausendertrenner '.'
Zahlenformat: Dezimalpunkt ',', Tausendertrenner '.', Exponentialzeichen 'e', Nullzeichen '0', Prozentzeichen '%', Positiv-/Negativzeichen '+'/'-' (Aktualisiert beim Neustart)
Architektur: x86_64-little_endian-lp64
Kernel: linux 5.15.78-1-MANJARO
C++ Compiler: GNU 11.3.0
C++ Compiler Optionen: -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -fno-operator-names -fno-exceptions -Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef -Wnon-virtual-dtor -Woverloaded-virtual -Werror=return-type -Werror=init-self -Wvla -Wdate-time -Wsuggest-override -Wlogical-op -fdiagnostics-color=always -Wall -Wextra -Wundef -Wpointer-arith -Wunreachable-code -Wunused -Wdeprecated-declarations -fno-omit-frame-pointer -fstack-protector -fexceptions -std=c++11 -O2 -Wcast-align -Wswitch-enum -fvisibility=default -pedantic -Wzero-as-null-pointer-constant