Reformat Doc. Add per row option default check/uncheck of processRow checkbox. Fix bug that missing F.processRow skip all saves. Fix bug columns '_id' are not handled. Use of HelperFormElement::buildFormElementName(). Rafactor usage of _POST[]. Implement constant  F_PROCESS_ROW_COLUMN.

Rename PHPUnit DB Server name from 'db' to 'db_phpunit' - this will force some adaption on CI PHPUnit-Tests

phpunit: fix phpunit.xml via ` vendor/bin/phpunit --migrate-configuration --configuration phpunit.xml`

S15763: Added search for id (QFQ) and uid (T3). New highlighting for disabled content. Added output for not found in search.  refs #15763

B15659: added <div class="col-d-12 col-lg-12"> around input to fix datetimepicker position refs #15659