Import: clone an "Import source" is not compatible with dark-theme

[tectumopticum]

Expected Behavior

Selecting an existing Import Source and klick the "Clone"-button: the "New name"-field should show the name of the currently selected Import Source

Current Behavior

set Icingaweb2 to "Dark Theme"
Select "Automation" -> "Import source" -> random existing "Source name" -> Tab "Import source" -> "Clone"

=> "New name"-field shows white characters on a white background

Steps to Reproduce (for bugs)

s. "Current Behavior"

Your Environment

• Director version (System - About): 1.10.2
• Icinga Web 2 version and modules (System - About): 2.11.2
• Icinga 2 version (icinga2 --version): r2.13.5-1
• Operating System and version: SLES 15-SP3
• Webserver, PHP versions: Apache/2.4.51 (Linux/SUSE), PHP 7.4.6