Small Header fix

src/axios-basic.ts

-import axios from 'axios';
+import axios, { AxiosRequestConfig } from 'axios';
 
 const instance = axios.create();
 
 const authHeaderKey = 'Authorization';
 const clientCorrolationIdKey = 'X-Coscine-Logging-CorrelationId';
 
-function setHeader() {
+function setHeader(request: AxiosRequestConfig) {
   if (typeof coscine !== "undefined") {
-    instance.defaults.headers.common[authHeaderKey] =
+    request.headers.common[authHeaderKey] =
       'Bearer ' + coscine.authorization.bearer;
-    instance.defaults.headers.common[clientCorrolationIdKey] = coscine.clientcorrolation.id;
+    request.headers.common[clientCorrolationIdKey] = coscine.clientcorrolation.id;
   }
 };
 
-instance.interceptors.request.use((request: unknown) => {
-  setHeader();
+instance.interceptors.request.use((request: AxiosRequestConfig) => {
+  setHeader(request);
   if ((typeof coscine !== "undefined") && (typeof coscine.loading !== "undefined") && (typeof coscine.loading.counter !== "undefined")) {
     coscine.loading.counter++;
   }
@@ -23,7 +23,7 @@ instance.interceptors.request.use((request: unknown) => {
   return Promise.reject(error);
 });
 
-instance.interceptors.response.use((response: unknown) => {
+instance.interceptors.response.use((response: AxiosRequestConfig) => {
   if ((typeof coscine !== "undefined") && (typeof coscine.loading !== "undefined") && (typeof coscine.loading.counter !== "undefined")) {
     coscine.loading.counter--;
   }