Add more context to request error

server/helpers/requests.ts

@@ -14,6 +14,7 @@ export interface PeerTubeRequestError extends Error {
   statusCode?: number
   responseBody?: any
   responseHeaders?: any
+  requestHeaders?: any
 }
 
 type PeerTubeRequestOptions = {
@@ -243,5 +244,9 @@ function buildRequestError (error: RequestError) {
     newError.statusCode = error.response.statusCode
   }
 
+  if (error.options) {
+    newError.requestHeaders = error.options.headers
+  }
+
   return newError
 }