[4.5] Implement full quote support

[halcy]

From Mastodon changelog:

1. Change display of blocked and muted quoted users (#36619 by @ClearlyClaire)
   This adds blocked_account, blocked_domain and muted_account values to the state attribute of Quote and ShallowQuote REST API entities.
2. https://docs.joinmastodon.org/client/quotes/#api-additions-for-quote-posts