Revert "fixes #2922"

This reverts commit 496062f980.

src/core/components/curl.jsx

@@ -19,7 +19,7 @@ export default class Curl extends React.Component {
       <div>
         <h4>Curl</h4>
         <div className="copy-paste">
-          <textarea onFocus={this.handleFocus} readOnly="true" className="curl" style={{ whiteSpace: "normal" }} value={curl}></textarea>
+          <textarea onFocus={this.handleFocus} className="curl" style={{ whiteSpace: "normal" }} value={curl}></textarea>
         </div>
       </div>
     )

src/core/plugins/spec/reducers.js

@@ -42,7 +42,9 @@ export default {
     let { path, paramName, value, isXml } = payload
     return state.updateIn( [ "resolved", "paths", ...path, "parameters" ], fromJS([]), parameters => {
       let index = parameters.findIndex( p => p.get( "name" ) === paramName )
-      value = value instanceof win.File ? value.name : value
+      if (!(value instanceof win.File)) {
+        value = fromJSOrdered( value )
+      }
       return parameters.setIn( [ index, isXml ? "value_xml" : "value" ], value)
     })
   },