minor fixes

Author: mcmonkey4eva

src/BuiltinExtensions/ComfyUIBackend/ComfyUISelfStartBackend.cs

@@ -96,11 +96,11 @@ public override async Task Init()
             string modelPath = $"--extra-model-paths-config {pathRaw}";
             addedArgs = $" --preview-method auto {modelPath}";
         }
-        if (!settings.StartScript.EndsWith("main.py"))
+        if (!settings.StartScript.EndsWith("main.py") && !string.IsNullOrWhiteSpace(settings.StartScript))
         {
             Logs.Warning($"ComfyUI start script is '{settings.StartScript}', which looks wrong - did you forget to append 'main.py' on the end?");
         }
-        if (settings.AutoUpdate)
+        if (settings.AutoUpdate && !string.IsNullOrWhiteSpace(settings.StartScript))
         {
             try
             {

src/wwwroot/js/genpage/backends.js

@@ -98,6 +98,10 @@ function addBackendToHtml(backend, disable, spot = null) {
     for (let entry of cardBody.querySelectorAll('[data-name]')) {
         entry.disabled = disable;
     }
+    if (!disable) {
+        actualCardTitle.contentEditable = true;
+        actualCardTitle.classList.add('backend-title-editable');
+    }
     actualCardTitle.addEventListener('keydown', e => {
         if (e.key == 'Enter') {
             e.preventDefault();