feat(slots): check guest availability when host reschedules (#16378)#28911

bcornish1797 wants to merge 3 commits intocalcom:maincalcom/cal.diy:mainfrom

bcornish1797:feat/16378-part-c-business-logicbcornish1797/cal.com:feat/16378-part-c-business-logicCopy head branch name to clipboard