[chassisd] Address the chassisd crash issue and add UT for it#573

arlakshm merged 1 commit intosonic-net:mastersonic-net/sonic-platform-daemons:masterfrom

mlok-nokia:fix-module-slot-num-and-str-issuemlok-nokia/sonic-platform-daemons:fix-module-slot-num-and-str-issueCopy head branch name to clipboard