Cargo lock update and a few doc additions

src/client_server/config.rs

@@ -56,11 +56,7 @@ pub fn get_global_account_data_route(
 
     let data = db
         .account_data
-        .get::<Raw<ruma::events::AnyBasicEvent>>(
-            None,
-            sender_id,
-            EventType::try_from(&body.event_type).expect("EventType::try_from can never fail"),
-        )?
+        .get::<Raw<ruma::events::AnyBasicEvent>>(None, sender_id, body.event_type.clone().into())?
         .ok_or(Error::BadRequest(ErrorKind::NotFound, "Data not found."))?;
 
     Ok(get_global_account_data::Response { account_data: data }.into())

src/client_server/room.rs

@@ -195,6 +195,7 @@ pub fn create_room_route(
             content: match preset {
                 create_room::RoomPreset::PublicChat => {
                     serde_json::to_value(guest_access::GuestAccessEventContent::new(
+                        // In a public room a joining is the only way to access
                         guest_access::GuestAccess::Forbidden,
                     ))
                     .expect("event is valid, we just created it")