Disable node def validation by default (#1190)

* Add setting

* Make node def validation optional

src/stores/coreSettings.ts

@@ -435,5 +435,14 @@ export const CORE_SETTINGS: SettingParams[] = [
     defaultValue: false,
     experimental: true,
     versionAdded: '1.3.11'
+  },
+  {
+    id: 'Comfy.Validation.NodeDefs',
+    name: 'Validate node definitions (slow)',
+    type: 'boolean',
+    tooltip:
+      'Recommended for node developers. This will validate all node definitions on startup.',
+    defaultValue: false,
+    versionAdded: '1.3.14'
   }
 ]