Exclude node registry functions from desktop frontend builds (#3584)

* Exclude node registry functions from desktop frontend builds

This reduces compile times and file sizes

* Use early return

* Fix branch name in build-linux pipeline

node-graph/node-macro/Cargo.toml

@@ -13,6 +13,9 @@ license = "Apache-2.0"
 [lib]
 proc-macro = true
 
+[features]
+disable-registration = []
+
 [dependencies]
 # Workspace dependencies
 syn = { workspace = true }