Fix renames over language server for SSH remoting (#17897)

Release Notes:

- ssh remoting: Fix rename over language server

---------

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

crates/collab/src/tests/random_project_collaboration_tests.rs

@@ -1047,7 +1047,7 @@ impl RandomizedTest for ProjectCollaborationTest {
             },
             None,
         )));
-        client.language_registry().register_fake_lsp_adapter(
+        client.language_registry().register_fake_lsp(
             "Rust",
             FakeLspAdapter {
                 name: "the-fake-language-server",