Fix usage of deprecated APIs

[mohitsuman]

[kind/Enhancement]

OpenShift Toolkit by Red Hat 1.8.0 uses deprecated API, which may be removed in future releases leading to binary and source code incompatibilities

[adietish]

• ModuleListener.moduleAdded(Project, Module):
  replaced by ModuleListener.modulesAdded(Project, List<? extends Module>) but not available before IC-2023.1
• IconManager.getIcon(String, Class):
  replaced by IconManager.getIcon(String, ClassLoader but not available before IC-2023.2
  -> wont correct before we use 2023.2 as minimum version.
• ProjectTopics.MODULES:
  replaced by ModuleListener.TOPIC but not available before IC-2023.3
  -> wont correct before we use 2023.3 as minimum version

[adietish]

#740 only fixes 1 of the 3 issues but requires IC-2023.1.