[bugfix] Filter model metadata by current widget selection (#4021)

Co-authored-by: filtered <176114999+webfiltered@users.noreply.github.com>

browser_tests/assets/model_metadata_widget_mismatch.json

@@ -0,0 +1,59 @@
+{
+  "last_node_id": 1,
+  "last_link_id": 0,
+  "nodes": [
+    {
+      "id": 1,
+      "type": "CheckpointLoaderSimple",
+      "pos": [256, 256],
+      "size": [315, 98],
+      "flags": {},
+      "order": 0,
+      "mode": 0,
+      "inputs": [],
+      "outputs": [
+        {
+          "name": "MODEL",
+          "type": "MODEL",
+          "links": null
+        },
+        {
+          "name": "CLIP",
+          "type": "CLIP",
+          "links": null
+        },
+        {
+          "name": "VAE",
+          "type": "VAE",
+          "links": null
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "CheckpointLoaderSimple",
+        "models": [
+          {
+            "name": "outdated_model.safetensors",
+            "url": "http://localhost:8188/api/devtools/fake_model.safetensors",
+            "directory": "text_encoders"
+          },
+          {
+            "name": "another_outdated_model.safetensors",
+            "url": "http://localhost:8188/api/devtools/fake_model.safetensors",
+            "directory": "text_encoders"
+          }
+        ]
+      },
+      "widgets_values": ["current_selected_model.safetensors"]
+    }
+  ],
+  "links": [],
+  "groups": [],
+  "config": {},
+  "extra": {
+    "ds": {
+      "offset": [0, 0],
+      "scale": 1
+    }
+  },
+  "version": 0.4
+}

browser_tests/tests/dialog.spec.ts

@@ -103,7 +103,7 @@ test.describe('Missing models warning', () => {
         }
       ])
     }
-    comfyPage.page.route(
+    await comfyPage.page.route(
       '**/api/experiment/models',
       (route) => route.fulfill(modelFoldersRes),
       { times: 1 }
@@ -121,7 +121,7 @@ test.describe('Missing models warning', () => {
         }
       ])
     }
-    comfyPage.page.route(
+    await comfyPage.page.route(
       '**/api/experiment/models/text_encoders',
       (route) => route.fulfill(clipModelsRes),
       { times: 1 }
@@ -133,6 +133,18 @@ test.describe('Missing models warning', () => {
     await expect(missingModelsWarning).not.toBeVisible()
   })
 
+  test('Should not display warning when model metadata exists but widget values have changed', async ({
+    comfyPage
+  }) => {
+    // This tests the scenario where outdated model metadata exists in the workflow
+    // but the actual selected models (widget values) have changed
+    await comfyPage.loadWorkflow('model_metadata_widget_mismatch')
+
+    // The missing models warning should NOT appear
+    const missingModelsWarning = comfyPage.page.locator('.comfy-missing-models')
+    await expect(missingModelsWarning).not.toBeVisible()
+  })
+
   // Flaky test after parallelization
   // https://github.com/Comfy-Org/ComfyUI_frontend/pull/1400
   test.skip('Should download missing model when clicking download button', async ({