What is the bug? (in English)

Steps to reproduce the issue
put the mouse over the buttons
Versions, safeguards, check summary etc
Versions :
- Lizmap Web Client : 3.8.6 - commit 50eef0f 50eef0fa5
- Lizmap plugin : 4.4.8
- QGIS Desktop : 3.34.15
- QGIS Server : 3.34.15
- Py-QGIS-Server or QJazz : not used
- QGIS Server plugin atlasprint : 3.4.2
- QGIS Server plugin lizmap_server : 2.13.0
- QGIS Server plugin wfsOutputExtension : 1.8.3
List of Lizmap Web Client modules :
* multiauth : 1.2.2
* altiProfil : 0.5.9
* altiProfilAdmin : 0.5.9
List of safeguards :
* Mode : normal
* Allow parent folder : no
* Prevent other drive : no
* Prevent PG service : no
* Prevent PG Auth DB : no
* Force PG user&pass : no
* Prevent ECW : no
Check Lizmap plugin
Operating system
Ubuntu 22.04
Browsers
Firefox
Browsers version
137.0.1
Relevant log output
What is the bug? (in English)
Steps to reproduce the issue
put the mouse over the buttons
Versions, safeguards, check summary etc
Versions :
List of Lizmap Web Client modules :
* multiauth : 1.2.2 * altiProfil : 0.5.9 * altiProfilAdmin : 0.5.9
List of safeguards :
* Mode : normal
* Allow parent folder : no
* Prevent other drive : no
* Prevent PG service : no
* Prevent PG Auth DB : no
* Force PG user&pass : no
* Prevent ECW : no
Check Lizmap plugin
Operating system
Ubuntu 22.04
Browsers
Firefox
Browsers version
137.0.1
Relevant log output