fix: error while export a doctype report in excel (#22376)

* fix: error while export a doctype report in excel

* Update frappe/utils/response.py

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Co-authored-by: Ankush Menat <ankushmenat@gmail.com>

frappe/utils/response.py

@@ -124,8 +124,9 @@ def as_pdf():
 def as_binary():
 	response = Response()
 	response.mimetype = "application/octet-stream"
+	filename = "_".join(frappe.response["filename"].split())
 	response.headers["Content-Disposition"] = (
-		'filename="%s"' % frappe.response["filename"].replace(" ", "_")
+		'filename="%s"' % filename
 	).encode("utf-8")
 	response.data = frappe.response["filecontent"]
 	return response