No option to set the Map Directory To Auto Reimport setting if the Editor Settings window is closed after adding a new Directory to Monitor

If a new Directory to Monitor is added to the Auto Reimport settings, and the Editor Settings window is closed before the Map Directory To option is set, when the Editor Settings window is re-opened the Map Directory To option is no longer available.

1. Add a new folder named Art to the root folder of any project.
2. Add a new folder named Content to the Art folder.
3. Add a new folder named Meshes to the Content folder.
4. Open the project in the Editor.
5. Navigate to Edit -> Editor Preferences -> General -> Loading & Saving -> Auto Reimport.
6. Expand the advanced settings section.
7. Add a new element to the Directories to Monitor array.
8. Click the Browse button for the new element and select the Meshes folder added in step 3.
9. Close the Editor Settings window.
10. Re-open the Editor Settings window and navigate back to the Auto Reimport settings.

RESULT:
The Map Directory To option is missing.

EXPECTED:
The Map Directory To option is available to be set.