ProjectExplorer: Add possibility to keep link visible

Added possibility to keep link to global settings visible when
checkbox is invisible.

Change-Id: I724f1c1997b640b2277c4004acd24d5f6cca9faa
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/gitlab/gitlabprojectsettings.cpp

@@ -135,6 +135,7 @@ GitLabProjectSettingsWidget::GitLabProjectSettingsWidget(ProjectExplorer::Projec
     , m_projectSettings(GitLabPlugin::projectSettings(project))
 {
     setUseGlobalSettingsCheckBoxVisible(false);
+    setUseGlobalSettingsLabelVisible(false);
     // setup ui
     auto verticalLayout = new QVBoxLayout(this);
     verticalLayout->setContentsMargins(0, 0, 0, 0);