Bug 376254 - Manually adding to Workbench Modell / Calling
E4Workbench.processHierarchy manually necessary

Use the handler processing addon
diff --git a/platform/org.eclipse.platform/LegacyIDE.e4xmi b/platform/org.eclipse.platform/LegacyIDE.e4xmi
index be4bfed..9c5167e 100644
--- a/platform/org.eclipse.platform/LegacyIDE.e4xmi
+++ b/platform/org.eclipse.platform/LegacyIDE.e4xmi
@@ -32,4 +32,5 @@
   <addons xmi:id="_XwQYkE2EEd-DfN2vYY4Lew" elementId="Cleanup Addon" contributionURI="bundleclass://org.eclipse.e4.ui.workbench.addons.swt/org.eclipse.e4.ui.workbench.addons.cleanupaddon.CleanupAddon"/>
   <addons xmi:id="_bqcWME2EEd-DfN2vYY4Lew" elementId="DnD Addon" contributionURI="bundleclass://org.eclipse.e4.ui.workbench.addons.swt/org.eclipse.e4.ui.workbench.addons.dndaddon.DnDAddon"/>
   <addons xmi:id="_7GC6sGp-Ed-QyNZjH9g15Q" elementId="MinMax Addon" contributionURI="bundleclass://org.eclipse.e4.ui.workbench.addons.swt/org.eclipse.e4.ui.workbench.addons.minmax.MinMaxAddon"/>
+  <addons xmi:id="_00yosOXqEeGugqEu_OWUGQ" elementId="org.eclipse.ui.workbench.addon.0" contributionURI="bundleclass://org.eclipse.e4.ui.workbench/org.eclipse.e4.ui.internal.workbench.addons.HandlerProcessingAddon"/>
 </application:Application>