save useInputImage with correct filename

lama_cleaner/app/src/hooks/useInputImage.tsx

@@ -8,11 +8,18 @@ export default function useInputImage() {
     headers.append('pragma', 'no-cache')
     headers.append('cache-control', 'no-cache')
 
-    fetch('/inputimage', { headers })
-      .then(res => res.blob())
-      .then(data => {
+    fetch('/inputimage', { headers }).then(async res => {
+      const filename = res.headers
+        .get('content-disposition')
+        ?.split('filename=')[1]
+        .split(';')[0]
+
+      const data = await res.blob()
       if (data && data.type.startsWith('image')) {
-          const userInput = new File([data], 'inputImage')
+        const userInput = new File(
+          [data],
+          filename !== undefined ? filename : 'inputImage'
+        )
         setInputImage(userInput)
       }
     })