refactor dyn KvTree out of services

src/service/account_data/data.rs

src/service/account_data/mod.rs

src/service/admin/mod.rs

src/service/appservice/data.rs

src/service/appservice/mod.rs

src/service/globals/client.rs

src/service/globals/data.rs

src/service/globals/migrations.rs

src/service/globals/mod.rs

src/service/globals/resolver.rs

src/service/key_backups/data.rs

src/service/key_backups/mod.rs

src/service/media/data.rs

src/service/media/mod.rs

src/service/media/tests.rs

src/service/mod.rs

src/service/pdu.rs

src/service/presence/data.rs

src/service/presence/mod.rs

src/service/pusher/data.rs