Oomph: Add setting to fix model compares

Signed-off-by: Alexander Diewald <diewald@fortiss.org>

oomph/af3.setup

@@ -436,6 +436,10 @@
           xsi:type="setup:PreferenceTask"
           key="/instance/org.eclipse.egit.ui/decorator_show_dirty_icon"
           value="true"/>
+      <setupTask
+          xsi:type="setup:PreferenceTask"
+          key="/instance/org.eclipse.egit.ui/enable_logical_model"
+          value="false"/>
     </setupTask>
   </setupTask>
   <setupTask