revert single channel click (#7738)

- Revert "collab tweaks (#7706)"
- Revert "2112 (#7640)"
- Revert "single click channel (#7596)"
- Reserve protobufs
- Don't revert migrations

Release Notes:

- N/A

**or**

- N/A

crates/collab/src/tests/test_server.rs

@@ -37,7 +37,7 @@ use std::{
         Arc,
     },
 };
-use util::{http::FakeHttpClient, SemanticVersion};
+use util::http::FakeHttpClient;
 use workspace::{Workspace, WorkspaceStore};
 
 pub struct TestServer {
@@ -231,7 +231,6 @@ impl TestServer {
                                 server_conn,
                                 client_name,
                                 user,
-                                SemanticVersion::default(),
                                 None,
                                 Some(connection_id_tx),
                                 Executor::Deterministic(cx.background_executor().clone()),
@@ -687,7 +686,7 @@ impl TestClient {
         channel_id: u64,
         cx: &'a mut TestAppContext,
     ) -> (View<Workspace>, &'a mut VisualTestContext) {
-        cx.update(|cx| workspace::open_channel(channel_id, self.app_state.clone(), None, cx))
+        cx.update(|cx| workspace::join_channel(channel_id, self.app_state.clone(), None, cx))
             .await
             .unwrap();
         cx.run_until_parked();
@@ -762,11 +761,6 @@ impl TestClient {
     }
 }
 
-pub fn join_channel_call(cx: &mut TestAppContext) -> Task<anyhow::Result<()>> {
-    let room = cx.read(|cx| ActiveCall::global(cx).read(cx).room().cloned());
-    room.unwrap().update(cx, |room, cx| room.join_call(cx))
-}
-
 pub fn open_channel_notes(
     channel_id: u64,
     cx: &mut VisualTestContext,