extension: Add debug_adapters to extension manifest (#30676)

Also pass worktree to the get_dap_binary.

Release Notes:

- N/A

crates/zed/Cargo.toml

@@ -45,6 +45,7 @@ dap_adapters.workspace = true
 debugger_ui.workspace = true
 debugger_tools.workspace = true
 db.workspace = true
+debug_adapter_extension.workspace = true
 diagnostics.workspace = true
 editor.workspace = true
 env_logger.workspace = true