Make project id optional when following - server only

crates/rpc/src/proto.rs

@@ -364,7 +364,6 @@ entity_messages!(
     CreateProjectEntry,
     DeleteProjectEntry,
     ExpandProjectEntry,
-    Follow,
     FormatBuffers,
     GetCodeActions,
     GetCompletions,
@@ -392,12 +391,10 @@ entity_messages!(
     SearchProject,
     StartLanguageServer,
     SynchronizeBuffers,
-    Unfollow,
     UnshareProject,
     UpdateBuffer,
     UpdateBufferFile,
     UpdateDiagnosticSummary,
-    UpdateFollowers,
     UpdateLanguageServer,
     UpdateProject,
     UpdateProjectCollaborator,

crates/rpc/src/rpc.rs

@@ -6,4 +6,4 @@ pub use conn::Connection;
 pub use peer::*;
 mod macros;
 
-pub const PROTOCOL_VERSION: u32 = 63;
+pub const PROTOCOL_VERSION: u32 = 64;