initial download-folder-selector interface (#890)

* initial download-folder-selector interface

* use primevue select

* add a folder select visibility checkbox

* slightly reduce indirection

* fix up select box updating

* revert bad upstream changes

* cleanup

* allow localhost sourced models in ui side

(for testing purposes only basically, but does no harm in deployed envs)

* add screenshot expectations to test

* Update test expectations [skip ci]

* add testing of folder select

* fix test

* don't exclude folder selector when there's only 1

since the checkbox covers that better anyway

* oo - fix checkbox

* Update test expectations [skip ci]

* testing - don't expect screenshots :(

* experimental new test code

* toHaveClass is silly

* add // comments documenting intent of allowedSources

---------

Co-authored-by: github-actions <github-actions@github.com>

src/scripts/app.ts

@@ -2189,10 +2189,11 @@ export class ComfyApp {
     })
   }
 
-  showMissingModelsError(missingModels) {
+  showMissingModelsError(missingModels, paths) {
     if (useSettingStore().get('Comfy.Workflow.ShowMissingModelsWarning')) {
       showMissingModelsWarning({
         missingModels,
+        paths,
         maximizable: true
       })
     }
@@ -2414,7 +2415,8 @@ export class ComfyApp {
       this.showMissingNodesError(missingNodeTypes)
     }
     if (missingModels.length && showMissingModelsDialog) {
-      this.showMissingModelsError(missingModels)
+      const paths = await api.getFolderPaths()
+      this.showMissingModelsError(missingModels, paths)
     }
     await this.#invokeExtensionsAsync('afterConfigureGraph', missingNodeTypes)
     requestAnimationFrame(() => {