* [bug#57573] adjust release linked data.

module/release/control.php

@@ -664,7 +664,7 @@ class release extends control
 
         $this->view->appList       = $appList;
         $this->view->releases      = $releases;
-        $this->view->linkedRelease = explode(',', $linkedRelease);
+        $this->view->linkedRelease = $linkedRelease ? explode(',', $linkedRelease) : array();
         $this->display();
     }
 }

module/release/js/ajaxloadsystemblock.ui.js

@@ -13,7 +13,7 @@ window.setRelease = function(target)
         if(releases[id].system == apps) options.push({value: id, text: releases[id].name, disabled: id == index});
     }
 
-    $releases.render({items: options, required: rawMethod != 'edit'});
+    $releases.render({items: options});
 };
 
 window.initAppPicker = function()

module/release/ui/ajaxloadsystemblock.html.php

@@ -36,15 +36,15 @@ foreach($releases as $releaseID => $release) $appReleases[$release->system][$rel
 
 if(!$apps) $apps = array(0 => '');
 
-jsVar('releases',  $releases);
-jsVar('appLength', count($apps));
-jsVar('rawMethod', $app->rawMethod);
+jsVar('releases',    $releases);
+jsVar('appLength',   count($apps));
 
 $systemTR = array();
 $i        = 0;
 foreach($apps as $system)
 {
-    $appID = $linkedApps ? key($linkedApps) : 0;
+    $appID  = $linkedApps ? key($linkedApps) : 0;
+    $linked = current($linkedApps);
     $systemTR[] = h::tr
     (
         setClass('form-row'),
@@ -66,9 +66,8 @@ foreach($apps as $system)
             (
                 set::id("releases{$i}"),
                 set::name("releases[$i]"),
-                set::required($app->rawMethod != 'edit'),
                 set::items(zget($appReleases, $appID, array())),
-                $appID ? set::value(current($linkedApps)) : null
+                $appID ? set::value($linked) : null
             )
         ),
         h::td