[V3] convert nodes_optimalsteps.py to V3 schema

[bigcat88]

Git diff:

diff --git a/v3_object_info.json b/master_object_info.json
index ed72c87..c2d91f9 100644
--- a/v3_object_info.json
+++ b/master_object_info.json
@@ -25822,15 +25822,11 @@
         "input": {
             "required": {
                 "model_type": [
-                    "COMBO",
-                    {
-                        "multiselect": false,
-                        "options": [
-                            "FLUX",
-                            "Wan",
-                            "Chroma"
-                        ]
-                    }
+                    [
+                        "FLUX",
+                        "Wan",
+                        "Chroma"
+                    ]
                 ],
                 "steps": [
                     "INT",
@@ -25867,18 +25863,12 @@
         "output_name": [
             "SIGMAS"
         ],
-        "output_tooltips": [
-            null
-        ],
         "name": "OptimalStepsScheduler",
-        "display_name": null,
+        "display_name": "OptimalStepsScheduler",
         "description": "",
         "python_module": "comfy_extras.nodes_optimalsteps",
         "category": "sampling/custom_sampling/schedulers",
-        "output_node": false,
-        "deprecated": false,
-        "experimental": false,
-        "api_node": false
+        "output_node": false
     },
     "QuadrupleCLIPLoader": {
         "input": {

[bigcat88]

+label: Core

[Kosinkadink]

Node authors are notified, will merge on Wednesday.