chore: replace NearSchema with near(inside_near_sdk); add missing BorshSchema p2

[dj8yfo]

Replace #[derive(NearSchema)] with #[near(inside_nearsdk)]

for `near_sdk::store::free_list::FreeList`

from

            impl<T> crate::borsh::BorshSchema for FreeList<T>
            impl<T> crate::borsh::BorshSchema for FreeList__NEAR_SCHEMA_PROXY<T>
    impl<T> borsh::ser::BorshSerialize for FreeList<T>
    impl<T> borsh::de::BorshDeserialize for FreeList<T>

to

    impl<T> crate::borsh::ser::BorshSerialize for FreeList<T>
    impl<T> crate::borsh::de::BorshDeserialize for FreeList<T>
    impl<T> crate::borsh::BorshSchema for FreeList<T>

for `near_sdk::store::vec::Vector`

from

            impl<T> crate::borsh::BorshSchema for Vector<T>
            impl<T> crate::borsh::BorshSchema for Vector__NEAR_SCHEMA_PROXY<T>
    impl<T> borsh::ser::BorshSerialize for Vector<T>
    impl<T> borsh::de::BorshDeserialize for Vector<T>

to

    impl<T> crate::borsh::ser::BorshSerialize for Vector<T>
    impl<T> crate::borsh::de::BorshDeserialize for Vector<T>
    impl<T> crate::borsh::BorshSchema for Vector<T>

Add missing #[derive(BorshSchema)] via #[near(inside_nearsdk)]

1. for IterableSet<T, H = Sha256>
2. for IterableMap<K, V, H = Sha256>