Title modifications are not saved in change request with inplace editing

Reproduction step:

• Click edit on a page: the inplace editor should enable edition without reload
• Edit the title of the page
• Save as change request
• Open the diff in the created change request

Expected result:

• the diff shows the change of the title

Obtained result:

• the diff shows no change

Note that this bug only reproduce with the inplace editor: when using the wiki editor the change of the title are saved.