fix(UI): Fix fullname and alias layout

[Thebarda]

Description

This fixes the fullname and alias displayed layout in the user top counter

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

• 20.04.x
• 20.10.x
• 21.04.x
• 21.10.x (master)

How this pull request can be tested ?

• Expand the user top counter
• -> The fullname is displayed in one line (and truncated when the fullname is very long)

Checklist

• I have 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).

[sonarqube-decoration]

SonarQube Quality Gate:

0 Bugs
0 Vulnerabilities
0 Security Hotspots
7 Code Smells

0.0% Coverage
0.0% Duplication