chore: fix wrong field name in returned data (#2710)

Signed-off-by: joemicky <joemickychang@outlook.com>
Co-authored-by: Ryan Lee <ryan@parity.io>

Author: joemicky

packages/light-client-extension-helpers/src/content-script/content-script-helper.ts

@@ -213,7 +213,7 @@ const adaptLegacyToExtensionMessageToRpcMessage = (
 ) => {
   return {
     id: `legacy:${msg.type}:${msg.id}`,
-    orign: msg.origin,
+    origin: msg.origin,
     method: msg.type,
     params:
       msg.type === "getChains"