Fixed issue with wrong task guid

fixes https://github.com/tomolimo/processmaker/issues/126

inc/processmaker.class.php

@@ -3467,7 +3467,7 @@ debugger;
       //             AND TAS_ASSIGN_TYPE='SELF_SERVICE';";
       $query = ['SELECT' => 'TAS_GROUP_VARIABLE',
                 'FROM'   => 'TASK',
-                'WHERE'  => ['TAS_UID'         => '$pmTaskId',
+                'WHERE'  => ['TAS_UID'         => $pmTaskId,
                              'TAS_ASSIGN_TYPE' => 'SELF_SERVICE']];
       //$req = $PM_DB->query($query);
       //$row = $PM_DB->fetchAssoc($req);

processmaker.xml

@@ -41,7 +41,7 @@
          <compatibility>9.4</compatibility>
       </version>
       <version>
-         <num>4.0.3</num>
+         <num>4.0.4</num>
          <compatibility>9.5</compatibility>
       </version>
    </versions>

setup.php

@@ -1,6 +1,6 @@
 <?php
 
-define('PROCESSMAKER_VERSION', '4.0.3');
+define('PROCESSMAKER_VERSION', '4.0.4');
 
 // used for case cancellation
 define("CANCEL", 256);