fix(remote-server): export properly trap matching and hostgroups

[kduret]

Description

Trap matching cannot be exported on remote server because of a PHP fatal error in centcore logs :
2019-10-25 11:13:24 - DEBUG - cmd: /usr/share/centreon//bin/centreon -u <admin_user> -p <admin_md5_password> -w -o CentreonWorker -a processQueue PHP Fatal error: Uncaught Error: Class 'ConfigGenerateRemote\Relations\serviceCategory' not found in /usr/share/centreon/www/class/config-generate-remote/Relations/TrapsMatching.php:109 Stack trace: #0 /usr/share/centreon/www/class/config-generate-remote/Relations/TrapsMatching.php(123): ConfigGenerateRemote\Relations\TrapsMatching->generateObject(607, Array) #1 /usr/share/centreon/www/class/config-generate-remote/Trap.php(156): ConfigGenerateRemote\Relations\TrapsMatching->getTrapMatchingByTrapId(607) #2 /usr/share/centreon/www/class/config-generate-remote/Trap.php(172): ConfigGenerateRemote\Trap->generateObject(2694, Array, Array) #3 /usr/share/centreon/www/class/config-generate-remote/Abstracts/AbstractService.php(160): ConfigGenerateRemote\Trap->getTrapsByServiceId(2694) #4 /usr/share/centreon/www/class/config-generate-remote/Service.php(226): ConfigGenerateRemote\Abstracts\AbstractService->getTraps(Array) #5 /usr/share/centreon/www/class/config-generate-remote/Host.php(91): ConfigGenerateRemote\Service->generateFromServi in /usr/share/centreon/www/class/config-generate-remote/Relations/TrapsMatching.php on line 109

there is the same issue for host which are linked to disabled hostgroups

Fixes MON-4436

Type of change

• Patch fixing an issue (non-breaking change)
• New functionality (non-breaking change)
• Breaking change (patch or feature) that might cause side effects breaking part of the Software
• Updating documentation (missing information, typo...)

Target serie

• 2.8.x
• 18.10.x
• 19.04.x
• 19.10.x (master)