slapos_trial_resquest: Fix duplicated selection_name on listbox

master/bt5/slapos_trial_request/SkinTemplateItem/portal_skins/slapos_trial/TrialRequest_view/listbox.xml

@@ -197,7 +197,7 @@
                 </item>
                 <item>
                     <key> <string>selection_name</string> </key>
-                    <value> <string>support_request_view_selection</string> </value>
+                    <value> <string>trial_request_view_selection</string> </value>
                 </item>
                 <item>
                     <key> <string>sort</string> </key>