Fix cat node overlays; generate output

Author: lcawl

docs/overlays/elasticsearch-openapi-overlays.yaml

@@ -65,4 +65,12 @@ actions:
   - target: "$.components['schemas']['_types.aggregations.RandomSamplerAggregation']"
     description: Add x-model
     update:
-      x-model: true
+      x-model: true
+# Remove long lists of enum values
+  - target: "$.components['schemas']['cat._types.CatNodeColumn'].anyOf"
+    description: Remove anyOf from cat nodes
+    remove: true
+  - target: "$.components['schemas']['cat._types.CatNodeColumn']"
+    description: Add basic string data type for cat node columns
+    update:
+      type: string

docs/overlays/elasticsearch-shared-overlays.yaml

@@ -1092,9 +1092,6 @@ actions:
   - target: "$.components['schemas']['cat._types.CatAnomalyDetectorColumn'].enum"
     description: Remove enum array from cat detectors
     remove: true
-  - target: "$.components['schemas']['cat._types.CatNodeColumn'].enum"
-    description: Remove enum array from cat nodes
-    remove: true
   - target: "$.components['schemas']['cat._types.CatDfaColumn'].enum"
     description: Remove enum array from cat data frame analytics
     remove: true