SSH remote search (#16915)

Co-Authored-By: Max <max@zed.dev>

Release Notes:

- ssh remoting: add project search

---------

Co-authored-by: Max <max@zed.dev>

crates/collab/src/rpc/connection_pool.rs

@@ -42,6 +42,10 @@ impl ZedVersion {
     pub fn with_list_directory() -> ZedVersion {
         ZedVersion(SemanticVersion::new(0, 145, 0))
     }
+
+    pub fn with_search_candidates() -> ZedVersion {
+        ZedVersion(SemanticVersion::new(0, 151, 0))
+    }
 }
 
 pub trait VersionedMessage {