channel projects (#8456)

Add plumbing for hosted projects. This will currently show them if they
exist
but provides no UX to create/rename/delete them.

Also changed the `ChannelId` type to not auto-cast to u64; this avoids
type
confusion if you have multiple id types.


Release Notes:

- N/A

crates/client/src/telemetry.rs

@@ -1,6 +1,6 @@
 mod event_coalescer;
 
-use crate::TelemetrySettings;
+use crate::{ChannelId, TelemetrySettings};
 use chrono::{DateTime, Utc};
 use clock::SystemClock;
 use futures::Future;
@@ -278,12 +278,12 @@ impl Telemetry {
         self: &Arc<Self>,
         operation: &'static str,
         room_id: Option<u64>,
-        channel_id: Option<u64>,
+        channel_id: Option<ChannelId>,
     ) {
         let event = Event::Call(CallEvent {
             operation: operation.to_string(),
             room_id,
-            channel_id,
+            channel_id: channel_id.map(|cid| cid.0),
         });
 
         self.report_event(event)

crates/client/src/user.rs

@@ -15,6 +15,15 @@ use util::TryFutureExt as _;
 
 pub type UserId = u64;
 
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
+pub struct ChannelId(pub u64);
+
+impl std::fmt::Display for ChannelId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub struct ParticipantIndex(pub u32);