Fix mount dropdown

src/containers/MountItems/MountItems.js

@@ -128,14 +128,10 @@ class MountItems extends IPCContainer {
     }
   };
 
-  handleMountLocationChanged = (provider, value) => {
-    const location = (this.props.Platform === 'win32') ?
-      this.props.MountState[provider].DriveLetters[value] :
-      value;
-
+  handleMountLocationChanged = (provider, mountLocation) => {
     const state = {
       ...this.props.ProviderState[provider],
-      MountLocation: location,
+      MountLocation: mountLocation,
     };
     this.props.setProviderState(provider, state);
   };