Fix /stream endpoint serving directory for fileless scenes (#3541)

* Fix stream endpoint serving folder
* Hide stream link for fileless scenes

internal/api/routes_scene.go

@@ -88,7 +88,14 @@ func (rs sceneRoutes) Routes() chi.Router {
 // region Handlers
 
 func (rs sceneRoutes) StreamDirect(w http.ResponseWriter, r *http.Request) {
+
 	scene := r.Context().Value(sceneKey).(*models.Scene)
+	// #3526 - return 404 if the scene does not have any files
+	if scene.Path == "" {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+
 	sceneHash := scene.GetHash(config.GetInstance().GetVideoFileNamingAlgorithm())
 
 	filepath := manager.GetInstance().Paths.Scene.GetStreamPath(scene.Path, sceneHash)

ui/v2.5/src/components/Scenes/SceneDetails/SceneFileInfoPanel.tsx

@@ -306,12 +306,14 @@ export const SceneFileInfoPanel: React.FC<ISceneFileInfoPanelProps> = (
   return (
     <>
       <dl className="container scene-file-info details-list">
-        <URLField
-          id="media_info.stream"
-          url={props.scene.paths.stream}
-          value={props.scene.paths.stream}
-          truncate
-        />
+        {props.scene.files.length > 0 && (
+          <URLField
+            id="media_info.stream"
+            url={props.scene.paths.stream}
+            value={props.scene.paths.stream}
+            truncate
+          />
+        )}
         {renderFunscript()}
         {renderInteractiveSpeed()}
         <URLField