Fix CVE-2024-46256 and CVE-2024-46257

- Schema validate against bad domain characters
- Integration test for CVE POC examples
- Cypress rewrite of plugins for file upload

backend/schema/components/error.json

@@ -0,0 +1,9 @@
+{
+	"type": "object",
+	"description": "Error",
+	"properties": {
+		"error": {
+			"$ref": "./error-object.json"
+		}
+	}
+}