Add PromptDialog to replace window.prompt (#1104)

* Save file prompt dialog

* Don't download if dialog dismissed

* refactor

* style dialog

* nit

* Autofocus

src/scripts/app.ts

@@ -2231,8 +2231,7 @@ export class ComfyApp {
     if (useSettingStore().get('Comfy.Workflow.ShowMissingNodesWarning')) {
       showLoadWorkflowWarning({
         missingNodeTypes,
-        hasAddedNodes,
-        maximizable: true
+        hasAddedNodes
       })
     }
 
@@ -2245,8 +2244,7 @@ export class ComfyApp {
     if (useSettingStore().get('Comfy.Workflow.ShowMissingModelsWarning')) {
       showMissingModelsWarning({
         missingModels,
-        paths,
-        maximizable: true
+        paths
       })
     }