fix: add support for publicKeyJwk

[andyv09]

What issue is this PR fixing

Adds support for publicKeyJwk and fixes issue 'key not found in document' when using did:jwk

What is being changed

Changes structure of if statement (makes it more readable) in compareBlockchainAccountId and adds JsonWebKey2020 to said if statement.

Quality

Check all that apply:

• I want these changes to be integrated
• I successfully ran pnpm i, pnpm build, pnpm test, pnpm test:browser locally.
• I allow my PR to be updated by the reviewers (to speed up the review process).
• I added unit tests.
• I added integration tests.
• I did not add automated tests because _________, and I am aware that a PR without tests will likely get rejected.

[mirceanis]

Looks good, thanks!