Fix invalid type import path in @metamask/multichain

[Mrtenz]

Explanation

@metamask/multichain was importing src/scope/types, which does not work when importing the library in other projects. I've changed it to ../scope/types instead.

Changelog

@metamask/multichain

• FIXED: Fix invalid type import path

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've highlighted breaking changes using the "BREAKING" category above as appropriate
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes