Confluence replace / to _ when importing a word document that contains / in the heading

Description

When importing a word documentation that has / in the heading and split it to a new page for every heading. Confluence will replace the / to _ for the page title.

Steps to reproduce

1. Open a page
2. Go to tool >> Import word documentation
3. Upload a word file that has / in the heading
4. Select the option to split the heading
5. Click import
6. You will notice the page title with / is replaced to _
   For details, you may review the following video
   Recording #32.mp4

Expected Result
THe page title is imported as specified in the word document

Actual Result
THe confluence replaced the / to _