[BUGFIX] Fix version handling and add new settings to fix multilanguage and/or multi-site configurations #192

[BUGFIX] Security Check while writing the TCA after save in order to fix broken setups with potential buggy extensions

[BUGFIX] Don't focus checkboxes on pages with the cookie optin plugin, don't show the overlay on pages with the cookie optin plugin

Feature typo3 11

See merge request !11

[BUGFIX] Check for JSON_THROW_ON_ERROR instead JSON_INVALID_UTF8_SUBSTITUTE as this constant was added in the latest PHP version (removes a warning)