Fixing overwrite Blob/File type as Content-Type in browser. (#1773)

Co-authored-by: Jay <jasonsaayman@gmail.com>

lib/adapters/xhr.js

@@ -18,6 +18,13 @@ module.exports = function xhrAdapter(config) {
       delete requestHeaders['Content-Type']; // Let the browser set it
     }
 
+    if (
+      (utils.isBlob(requestData) || utils.isFile(requestData)) &&
+      requestData.type
+    ) {
+      delete requestHeaders['Content-Type']; // Let the browser set it
+    }
+
     var request = new XMLHttpRequest();
 
     // HTTP basic authentication