fix host duplication when strict mode is enabled

[sc979]

Description

Correct the broken queries when all duplication names are already used.

Fixes # (MON-5324)

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
• 20.04.x (master)

How this pull request can be tested ?

Duplicate a host. Then duplicate a second time the same host. No blank page should be displayed and the list of host should stay the same.
No stack trace should be thrown to the PHP log... nor the SQL

Checklist

• I followed the coding style guidelines provided by Centreon
• I have commented my code, especially new classes, functions or any legacy code modified. (docblock)
• I have commented my code, especially hard-to-understand areas of the PR.
• I have made corresponding changes to the documentation.
• I have rebased my development branch on the base branch (master, maintenance).