scripts: menuconfig: proper handling of NULL character as input#11

tejlmand wants to merge 1 commit intozephyrproject-rtos:mainzephyrproject-rtos/Kconfiglib:mainfrom

tejlmand:issues/33212_fix_nul_chartejlmand/Kconfiglib:issues/33212_fix_nul_charCopy head branch name to clipboard