* github-nickvergessen/ticket/10073: (36 commits)
[ticket/10073] Fix button descriptions
[ticket/10073] Do not check disable boxes by default
[ticket/10073] Store values with config_text in the ACP
[ticket/10073] Move config values to config_text
[ticket/10073] Fix request usage
[ticket/10073] Deduplicate template variable names
[ticket/10073] Get service from container
[ticket/10073] Fix more "Contact Us" strings
[ticket/10073] Move template code into the template
[ticket/10073] Make contact page available when board is disabled
[ticket/10073] Change name of the ACP module
[ticket/10073] Deduplicate posting buttons code in ACP
[ticket/10073] Use phpbb_validate_email to verify email address
[ticket/10073] Add tests for new validate_email()
[ticket/10073] Split email validation from email ban and taken checks
[ticket/10073] Deduplicate the if statement
[ticket/10073] Fallback to board_contact when contact page is disabled
[ticket/10073] Remove language string from rebase conflict
[ticket/10073] Add ACP module to add bbcode text for contact admin info
[ticket/10073] Add new configs to the schema
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