slapos_panel: show more connection parameters

master/bt5/slapos_panel/SkinTemplateItem/portal_skins/slapos_panel/InstanceTree_viewOnSlaposPanel/connection_listbox.xml

@@ -13,6 +13,7 @@
                 <string>all_columns</string>
                 <string>columns</string>
                 <string>count_method</string>
+                <string>lines</string>
                 <string>list_method</string>
                 <string>selection_name</string>
                 <string>sort</string>
@@ -144,6 +145,10 @@
                     <key> <string>form_id</string> </key>
                     <value> <string>Base_viewFieldLibrary</string> </value>
                 </item>
+                <item>
+                    <key> <string>lines</string> </key>
+                    <value> <int>200</int> </value>
+                </item>
                 <item>
                     <key> <string>list_method</string> </key>
                     <value>