Pressing enter in autocomplete menu should load that url in open location dialog (83922) and urlbar urls should be added to history dropdown regardless of method by which they were obtained (e.g. from autocomplete dropdown). r=kerz sr=ben

suite/common/openLocation.xul

@@ -63,7 +63,8 @@
       <hbox align="center">
         <textbox id="dialog.input" flex="1" type="autocomplete"
                     searchSessions="history" timeout="50" maxrows="6"
-                    oninput="doEnabling();">
+                    oninput="doEnabling();" ontextcommand="if (userAction == 'scrolling' ||
+                                                               userAction == 'typing') open();">
           <menupopup id="ubhist-popup" class="autocomplete-history-popup"
                      popupalign="topleft" popupanchor="bottomleft"
                      onpopupshowing="createUBHistoryMenu(event.target);"