Geometry Nodes: use implicit position input in noise node

This is the same behavior as in shader nodes.

source/blender/modifiers/intern/MOD_nodes_evaluator.cc

@@ -326,7 +326,8 @@ static void get_socket_value(const SocketRef &socket, void *r_value)
    * more complex defaults (other than just single values) in their socket declarations. */
   if (bsocket.flag & SOCK_HIDE_VALUE) {
     const bNode &bnode = *socket.bnode();
-    if (bsocket.type == SOCK_VECTOR && bnode.type == GEO_NODE_SET_POSITION) {
+    if (bsocket.type == SOCK_VECTOR &&
+        ELEM(bnode.type, GEO_NODE_SET_POSITION, SH_NODE_TEX_NOISE)) {
       new (r_value) Field<float3>(
           std::make_shared<bke::AttributeFieldInput>("position", CPPType::get<float3>()));
       return;