isnum() checks for squeak component initialisation (#39847)
isnum() checks for squeak component initialisation (#39847)

if you supply step_delay_override or use_delay_override as 0 then component
just ignores these new values despite them being valid options

by using isnum() checks, these values can actually be used for this
HippieStation/HippieStation,kingofkosmos/-tg-station,F-OS/tgstation,McBawbaggings/HippieStation,Poojawa/tgstation-fork,Incoming5643/-tg-station,Razharas/-tg-station,HippieStation/HippieStation,AnturK/-tg-station,nicbn/tgstation,WJohn/-tg-station,Razharas/-tg-station,Robustin/tgstation,Robustin/tgstation,kevinz000/-tg-station,kevinz000/-tg-station,TheVekter/-tg-station,MrStonedOne/tgstation,CPTANT/-tg-station,JJRcop/-tg-station,infinitystation/-tg-station,Y0SH1M4S73R/-tg-station,optimumtact/-tg-station,Incoming5643/-tg-station,GunHog/-tg-station,CPTANT/-tg-station,CosmicScientist/-tg-station,securitycopper/-tg-station,Y0SH1M4S73R/-tg-station,F-OS/tgstation,MrStonedOne/tgstation,QualityVan/tgstation,QualityVan/tgstation,Razharas/-tg-station,tgstation/tgstation,Aranclanos/-tg-station,infinitystation/-tg-station,Robustin/tgstation,nicbn/tgstation,Profakos/tgstation,kevinz000/-tg-station,Fox-McCloud/-tg-station,Jordie0608/tgstation,Arianya/tgstation,4dplanner/tgstation,Poojawa/tgstation-fork,Poojawa/tgstation-fork,4dplanner/tgstation,Cruix/-tg-station,optimumtact/-tg-station,Thunder12345/-tg-station,TalkingCactus/tgstation,JStheguy/tgstation,tgstation/-tg-station,Memendia/HippieStation,TheRealGLH/-tg-station,Niknakflak/-tg-station,GunHog/-tg-station,Mark9013100/tgstation-m9,JJRcop/tgstation,ShizCalev/tgstation,tgstation/tgstation,Fox-McCloud/-tg-station,WJohn/-tg-station,MrStonedOne/tgstation,GunHog/-tg-station,Niknakflak/-tg-station,4dplanner/tgstation,Jordie0608/-tg-station,PKPenguin321/-tg-station,MicroWorldwide/SS13-TG-station,lordpidey/-tg-station,securitycopper/-tg-station,Memendia/HippieStation,Memendia/HippieStation,Profakos/tgstation,Bawhoppen/-tg-station,lordpidey/-tg-station,kingofkosmos/-tg-station,Profakos/tgstation,GunHog/-tg-station,GunHog/-tg-station,Aranclanos/-tg-station,CosmicScientist/-tg-station,NicholasM10/-tg-station,lordpidey/-tg-station,AnturK/-tg-station,MrStonedOne/tgstation,anconfuzedrock/tgstation,Fox-McCloud/-tg-station,TalkingCactus/tgstation,CPTANT/-tg-station,infinitystation/-tg-station,SamuelRowe/-tg-station,tgstation/tgstation,Bawhoppen/-tg-station,Cyberboss/tgstation,MicroWorldwide/SS13-TG-station,JJRcop/tgstation,lordpidey/-tg-station,Cruix/-tg-station,optimumtact/-tg-station,NicholasM10/-tg-station,AnturK/-tg-station,ShizCalev/tgstation,CPTANT/-tg-station,AnturK/-tg-station,McBawbaggings/HippieStation,Memendia/HippieStation,Y0SH1M4S73R/-tg-station,kingofkosmos/-tg-station,TalkingCactus/tgstation,Thunder12345/-tg-station,McBawbaggings/HippieStation,Robustin/tgstation,TheVekter/-tg-station,Bawhoppen/-tg-station,xxalpha/-tg-station,PKPenguin321/-tg-station,infinitystation/-tg-station,Jordie0608/-tg-station,XDTM/tgstation,Poojawa/tgstation-fork,ShizCalev/tgstation,Razharas/-tg-station,nicbn/tgstation,coiax/-tg-station,kevinz000/-tg-station,HippieStation/HippieStation,Arianya/tgstation,octareenroon91/-tg-station,Thunder12345/-tg-station,JStheguy/tgstation,optimumtact/-tg-station,MicroWorldwide/SS13-TG-station,tgstation/tgstation,kevinz000/-tg-station,SamuelRowe/-tg-station,anconfuzedrock/tgstation,Profakos/tgstation,Arianya/tgstation,JJRcop/-tg-station,tgstation/tgstation,coiax/-tg-station,Niknakflak/-tg-station,kevinz000/-tg-station,Cruix/-tg-station,Y0SH1M4S73R/-tg-station,lordpidey/-tg-station,McBawbaggings/HippieStation,Cyberboss/tgstation,AnturK/-tg-station,CPTANT/-tg-station,securitycopper/-tg-station,nicbn/tgstation,lordpidey/-tg-station,kingofkosmos/-tg-station,kingofkosmos/-tg-station,securitycopper/-tg-station,ShizCalev/tgstation,Razharas/-tg-station,Aranclanos/-tg-station,QualityVan/tgstation,CPTANT/-tg-station,xxalpha/-tg-station,Memendia/HippieStation,Fox-McCloud/-tg-station,optimumtact/-tg-station,F-OS/tgstation,PKPenguin321/-tg-station,XDTM/tgstation,Jordie0608/-tg-station,HippieStation/HippieStation,tgstation/-tg-station,CosmicScientist/-tg-station,coiax/-tg-station,Incoming5643/-tg-station,GunHog/-tg-station,Aranclanos/-tg-station,infinitystation/-tg-station,JJRcop/tgstation,ohnopigeons/tgstation,Cruix/-tg-station,Mark9013100/tgstation-m9,CosmicScientist/-tg-station,lordpidey/-tg-station,securitycopper/-tg-station,Jordie0608/tgstation,kingofkosmos/-tg-station,optimumtact/-tg-station,WJohn/-tg-station,F-OS/tgstation,Robustin/tgstation,Incoming5643/-tg-station,Cyberboss/tgstation,Aranclanos/-tg-station,CosmicScientist/-tg-station,Mark9013100/tgstation-m9,Arianya/tgstation,F-OS/tgstation,XDTM/tgstation,Robustin/tgstation,ShizCalev/tgstation,anconfuzedrock/tgstation,MicroWorldwide/SS13-TG-station,QualityVan/tgstation,QualityVan/tgstation,MrStonedOne/tgstation,xxalpha/-tg-station,JJRcop/tgstation,JJRcop/tgstation,TheVekter/-tg-station,4dplanner/tgstation,Jordie0608/tgstation,ohnopigeons/tgstation,WJohn/-tg-station,Incoming5643/-tg-station,Niknakflak/-tg-station,NicholasM10/-tg-station,Jordie0608/tgstation,Robustin/tgstation,MicroWorldwide/SS13-TG-station,Bawhoppen/-tg-station,WJohn/-tg-station,AnturK/-tg-station,anconfuzedrock/tgstation,Profakos/tgstation,Poojawa/tgstation-fork,Jordie0608/tgstation,MicroWorldwide/SS13-TG-station,coiax/-tg-station,octareenroon91/-tg-station,XDTM/tgstation,Razharas/-tg-station,Memendia/HippieStation,Cyberboss/tgstation,Aranclanos/-tg-station,NicholasM10/-tg-station,McBawbaggings/HippieStation,JStheguy/tgstation,kevinz000/-tg-station,Bawhoppen/-tg-station,JJRcop/tgstation,Aranclanos/-tg-station,Profakos/tgstation,tgstation/tgstation,nicbn/tgstation,Arianya/tgstation,XDTM/tgstation,infinitystation/-tg-station,Incoming5643/-tg-station,kevinz000/-tg-station,WJohn/-tg-station,TalkingCactus/tgstation,ShizCalev/tgstation,Niknakflak/-tg-station,AnturK/-tg-station,octareenroon91/-tg-station,CosmicScientist/-tg-station,tgstation/-tg-station,MrStonedOne/tgstation,xxalpha/-tg-station,McBawbaggings/HippieStation,PKPenguin321/-tg-station,F-OS/tgstation,kingofkosmos/-tg-station,JJRcop/-tg-station,TheVekter/-tg-station,MrStonedOne/tgstation,Razharas/-tg-station,Thunder12345/-tg-station,F-OS/tgstation,Jordie0608/tgstation,Mark9013100/tgstation-m9,tgstation/tgstation,XDTM/tgstation,securitycopper/-tg-station,coiax/-tg-station,CPTANT/-tg-station,Cruix/-tg-station,TheRealGLH/-tg-station,TheVekter/-tg-station,tgstation/-tg-station,GunHog/-tg-station,NicholasM10/-tg-station,Memendia/HippieStation,securitycopper/-tg-station,xxalpha/-tg-station,MrStonedOne/tgstation,Niknakflak/-tg-station,optimumtact/-tg-station,CosmicScientist/-tg-station,Thunder12345/-tg-station,Jordie0608/tgstation,MicroWorldwide/SS13-TG-station,McBawbaggings/HippieStation,XDTM/tgstation,JStheguy/tgstation,ohnopigeons/tgstation,Y0SH1M4S73R/-tg-station,4dplanner/tgstation,lordpidey/-tg-station,Cyberboss/tgstation,HippieStation/HippieStation,Cruix/-tg-station,Razharas/-tg-station,Cruix/-tg-station,Cyberboss/tgstation,Cyberboss/tgstation,4dplanner/tgstation,Thunder12345/-tg-station,Mark9013100/tgstation-m9,NicholasM10/-tg-station,JStheguy/tgstation,JJRcop/tgstation,Profakos/tgstation,F-OS/tgstation,QualityVan/tgstation,WJohn/-tg-station,Poojawa/tgstation-fork,McBawbaggings/HippieStation,Thunder12345/-tg-station,JStheguy/tgstation,Arianya/tgstation,Fox-McCloud/-tg-station,erwgd/-tg-station,ohnopigeons/tgstation,PKPenguin321/-tg-station,Jordie0608/tgstation,Aranclanos/-tg-station,Jordie0608/-tg-station,SamuelRowe/-tg-station,SamuelRowe/-tg-station,erwgd/-tg-station,PKPenguin321/-tg-station,Y0SH1M4S73R/-tg-station,Cruix/-tg-station,Bawhoppen/-tg-station,Y0SH1M4S73R/-tg-station,NicholasM10/-tg-station,Bawhoppen/-tg-station,coiax/-tg-station,Niknakflak/-tg-station,securitycopper/-tg-station,Incoming5643/-tg-station,ShizCalev/tgstation,octareenroon91/-tg-station,tgstation/tgstation,Bawhoppen/-tg-station,Memendia/HippieStation,anconfuzedrock/tgstation,infinitystation/-tg-station,CPTANT/-tg-station,infinitystation/-tg-station,ShizCalev/tgstation,PKPenguin321/-tg-station,QualityVan/tgstation,HippieStation/HippieStation,Arianya/tgstation,PKPenguin321/-tg-station,Mark9013100/tgstation-m9,Mark9013100/tgstation-m9,Fox-McCloud/-tg-station,anconfuzedrock/tgstation,erwgd/-tg-station,Incoming5643/-tg-station,NicholasM10/-tg-station,JJRcop/-tg-station,xxalpha/-tg-station,TheRealGLH/-tg-station,xxalpha/-tg-station,Robustin/tgstation,Y0SH1M4S73R/-tg-station,Fox-McCloud/-tg-station,4dplanner/tgstation,4dplanner/tgstation,TheVekter/-tg-station,nicbn/tgstation,octareenroon91/-tg-station,MicroWorldwide/SS13-TG-station,JStheguy/tgstation,HippieStation/HippieStation,coiax/-tg-station,TheRealGLH/-tg-station,xxalpha/-tg-station,Poojawa/tgstation-fork,TheVekter/-tg-station,nicbn/tgstation,anconfuzedrock/tgstation,CosmicScientist/-tg-station