Steps to reproduce:

• Install clean installation of Ibexa DXP
• Enable Back Office translations

ibexa:
    ui:
        translations:
            enabled: true

• Switch the language of the Back Office to e.g. German or French (or other language that might has longer words)
• Create content with ImageAsset Field Type
• Edit this content and edit image in image editor
• Click "Save" button

Result:

• The "Save as new" and "Apply to all" buttons (top two button on attached screenshots) have a larger (visual) margin to the left then the third button.
• There is no gap between the first and second button.

Expected result:

Buttons are displayed properly.