Temp solution - moved sortation watcher to wp controller.

Also copied over available columns caching from columns branch.

app/assets/javascripts/angular/controllers/dialogs/sorting.js

@@ -72,9 +72,9 @@ angular.module('openproject.workPackages.controllers')
   }
 
   QueryService.getAvailableColumns()
-    .then(function(data){
-      $scope.availableColumns = data.available_columns
-      $scope.availableColumnsData = data.available_columns.map(function(column){
+    .then(function(available_columns){
+      $scope.availableColumns = available_columns
+      $scope.availableColumnsData = available_columns.map(function(column){
         return { id: column.name, label: column.title, other: column.title };
       });
       $scope.initSortation();

app/assets/javascripts/angular/controllers/work-packages-controller.js

@@ -245,4 +245,13 @@ angular.module('openproject.workPackages.controllers')
     }
   });
 
+  // Note: Again, this was in the work packages table directive but in an isolated scope so it wasn't picking up the changes to sortation.
+  // Think it would probably be a good idea to have the table directive just share the scope but that requires a refactor.
+  $scope.$watch('query.sortation.sortElements', function(oldValue, newValue) {
+    if (JSON.stringify(newValue) != JSON.stringify(oldValue)) {
+      $scope.updateResults();
+      $scope.updateBackUrl();
+    }
+  }, true);
+
 }]);

app/assets/javascripts/angular/services/query-service.js

@@ -134,6 +134,7 @@ angular.module('openproject.services')
       return QueryService.doGet(url, function(response){
         availableColumns = response.data.available_columns;
         return availableColumns;
+<<<<<<< HEAD
       });
     },
 
@@ -146,6 +147,9 @@ angular.module('openproject.services')
 
       this.hideColumns(currentColumns.map(function(column) { return column.name; }));
       this.showColumns(selectedColumnNames);
+=======
+      })
+>>>>>>> Temp solution - moved sortation watcher to wp controller.
     },
 
     updateSortElements: function(sortation) {