Fix condition for mustExpand flag (#14590)
Fix condition for mustExpand flag (#14590)

The flag was getting overwritten when both CORINFO_FLG_INTRINSIC and CORINFO_FLG_JIT_INTRINSIC are set
yizhang82/coreclr,krk/coreclr,yizhang82/coreclr,poizan42/coreclr,JosephTremoulet/coreclr,krk/coreclr,cshung/coreclr,ruben-ayrapetyan/coreclr,poizan42/coreclr,wateret/coreclr,mmitche/coreclr,wateret/coreclr,cshung/coreclr,krk/coreclr,cshung/coreclr,ruben-ayrapetyan/coreclr,yizhang82/coreclr,poizan42/coreclr,wtgodbe/coreclr,poizan42/coreclr,krk/coreclr,wateret/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,poizan42/coreclr,wateret/coreclr,cshung/coreclr,mmitche/coreclr,yizhang82/coreclr,wtgodbe/coreclr,ruben-ayrapetyan/coreclr,mmitche/coreclr,cshung/coreclr,JosephTremoulet/coreclr,mmitche/coreclr,JosephTremoulet/coreclr,mmitche/coreclr,wtgodbe/coreclr,ruben-ayrapetyan/coreclr,krk/coreclr,krk/coreclr,JosephTremoulet/coreclr,yizhang82/coreclr,ruben-ayrapetyan/coreclr,yizhang82/coreclr,poizan42/coreclr,mmitche/coreclr,wateret/coreclr,JosephTremoulet/coreclr,ruben-ayrapetyan/coreclr,JosephTremoulet/coreclr,wateret/coreclr,cshung/coreclr