BZ1148311: When adding dependencies from repository, artifact list is often not loaded

(cherry picked from commit 1d9281d4a17e4ee656a906c26c91e0151442ae1a)

Conflicts:
	kie-wb-common-screens/kie-wb-common-project-editor/kie-wb-common-project-editor-client/src/main/java/org/kie/workbench/common/screens/projecteditor/client/forms/DependencySelectorPopupViewImpl.java