add the visit feature to syn in core-macro

packages/core-macro/Cargo.toml

@@ -15,7 +15,7 @@ proc-macro = true
 [dependencies]
 proc-macro2 = { version = "1.0" }
 quote = "1.0"
-syn = { version = "2.0", features = ["full", "extra-traits"] }
+syn = { version = "2.0", features = ["full", "extra-traits", "visit"] }
 dioxus-rsx = { workspace = true }
 dioxus-core = { workspace = true }
 constcat = "0.3.0"