Bug 1539295 - fix tab after auto-complete in mailing list add/edit. r=aceman

mail/components/addrbook/content/abEditListDialog.xul

@@ -63,7 +63,7 @@
                    completedefaultindex="true" forcecomplete="true"
                    completeselectedindex="true"
                    minresultsforpopup="3"
-                   ontextentered="awRecipientTextCommand(param, this); if (this.value != '') event.preventDefault();"
+                   ontextentered="awRecipientTextCommand(param, this); if (param && this.value != '') param.preventDefault();"
                    onkeydown="awRecipientKeyDown(event, this);"
                    onclick="awNotAnEmptyArea(event);">
             <image onclick="this.parentNode.select();" class="person-icon"/>

mail/components/addrbook/content/abMailListDialog.xul

@@ -74,7 +74,7 @@
                    completedefaultindex="true" forcecomplete="true"
                    completeselectedindex="true"
                    minresultsforpopup="3"
-                   ontextentered="awRecipientTextCommand(param, this); if (this.value != '') event.preventDefault();"
+                   ontextentered="awRecipientTextCommand(param, this); if (param && this.value != '') param.preventDefault();"
                    onkeydown="awRecipientKeyDown(event, this);"
                    onclick="awNotAnEmptyArea(event);">
             <image onclick="this.parentNode.select();" class="person-icon"/>

suite/mailnews/components/addrbook/content/abListOverlay.xul

@@ -71,7 +71,7 @@
                  autocompletesearchparam="{}" timeout="300" maxrows="4"
                  completedefaultindex="true" forcecomplete="true"
                  minresultsforpopup="3"
-                 ontextentered="awRecipientTextCommand(param, this); if (this.value != '') event.preventDefault();"
+                 ontextentered="awRecipientTextCommand(eventParam, this)"
                  onkeydown="awRecipientKeyDown(event, this);"
                  onclick="awNotAnEmptyArea(event);">
           <image onclick="awNotAnEmptyArea(event)" class="person-icon"/>