[Twig][Form] Removed extra table colunm in the button_row block template
merged branch paradoxe/master (PR #8043)

This PR was merged into the master branch.

Discussion
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[Form][Twig] Removed an extra table column in the "button_row" block template

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Commits
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6d5bc7a [Twig][Form] Removed extra table colunm in the button_row block template