Services refactor

Replace structs of Dep<Service> with OnceServices, so each service has a Services reference

Remove service name => Service map

Flatten Services.rooms

Make reqwest Clients lazy initialized (client service)

src/service/users/keys.rs

@@ -343,15 +343,15 @@ pub async fn mark_device_key_update(&self, user_id: &UserId) {
 	let count = self.services.globals.next_count();
 
 	self.services
-			.state_cache
-			.rooms_joined(user_id)
-			// Don't send key updates to unencrypted rooms
-			.filter(|room_id| self.services.state_accessor.is_encrypted_room(room_id))
-			.ready_for_each(|room_id| {
-				let key = (room_id, *count);
-				self.db.keychangeid_userid.put_raw(key, user_id);
-			})
-			.await;
+		.state_cache
+		.rooms_joined(user_id)
+		// Don't send key updates to unencrypted rooms
+		.filter(|room_id| self.services.state_accessor.is_encrypted_room(room_id))
+		.ready_for_each(|room_id| {
+			let key = (room_id, *count);
+			self.db.keychangeid_userid.put_raw(key, user_id);
+		})
+		.await;
 
 	let key = (user_id, *count);
 	self.db.keychangeid_userid.put_raw(key, user_id);