string_view.find are using non constexpr search.

[JKot-Coder]

string_view find method are suppose to be constexpr but it's not, due using non constexpr function 'search'

include\EASTL\string_view.h:217:37: note: non-constexpr function 'search<const char *, const char >' cannot be used in a constant expression
217 | const value_type const pTemp = eastl::search(mpBegin + pos, pEnd, sw.data(), sw.data() + sw.size());