Victor

4-initialization lint notes

1

This PR is not meant to be merged (but could be in the future if a lint strategy is created). The only notable file in this PR is in `ui/recommended/init_expansion.rs`....

In the anchor check that is being added to type-cosplay in #15, I swap some logic around and first check the type X in X::deser(), before checking the function call....

Make 6-duplicate-mutable-accounts lint handle more cases

5

The current lint implementation handles the case when there are only two duplicate accounts just fine. This is because there only needs to be one constraint, to check the keys...