by default show undo and check original button

lama_cleaner/app/src/Editor.tsx

@@ -418,9 +418,9 @@ export default function Editor(props: EditorProps) {
           value={brushSize}
           onChange={setBrushSize}
         />
-        {renders.length ? (
-          <>
+        <div>
           <Button
+            className="mr-2"
             icon={
               <svg
                 width="19"
@@ -437,8 +437,10 @@ export default function Editor(props: EditorProps) {
               </svg>
             }
             onClick={undo}
+            disabled={renders.length === 0}
           />
           <Button
+            className="mr-2"
             icon={<EyeIcon className="w-6 h-6" />}
             onDown={ev => {
               ev.preventDefault()
@@ -449,13 +451,10 @@ export default function Editor(props: EditorProps) {
               setShowOriginal(false)
               setTimeout(() => setShowSeparator(false), 300)
             }}
+            disabled={renders.length === 0}
           >
-              {windowSize.width > 640 ? 'Original' : undefined}
+            {undefined}
           </Button>
-          </>
-        ) : (
-          <></>
-        )}
 
           <Button
             primary
@@ -463,9 +462,10 @@ export default function Editor(props: EditorProps) {
             disabled={!renders.length}
             onClick={download}
           >
-          {windowSize.width > 640 ? 'Download' : undefined}
+            {undefined}
           </Button>
         </div>
       </div>
+    </div>
   )
 }