Changes made to title and body of message while Topic editing are not saved if message contains hyperlink that was pressed from Preview mode (Firefox only).

Preconditions:

1. You should have a Branch on Forum with at least one topic created
2. Assign EDIT_OWN_POSTS and EDIT_OTHERS_POSTS permissions to your User in this branch
3. Login to forum as User

Steps to reproduce:

1. Go to the Branch and open some Topic in this Branch.
2. Click "Edit" button onany Topic's first Post header
3. Type some text that contains hyperlink in Message content field
4. Type some text in Title field
5. Press "Preview" button
6. Click on hyperlink from the Preview mode
7. Click on "Back" button on the browser's navigation toolbar
8. Overview Title and Message content field of the Post

Actual results:
Title and Message content field contains only text that was present before Post was edited
Expected results:
Title and Message content field should contain all text that was present before Preview button was pressed.

Reproduced for Topic, Questions and Answers posts on Firefox browser only