Description of problem:
When you have several tasks in a list (in both Grid and Day/Week wiews) and you perform actions on those tasks, the task list gets reorganized chaotically after each action.
This is confusing for end users (because task list changes under their hands - the task they perform action on can even disappear to a different page of a list) AND it makes test aumotation harder (because each time I perform an action on task in UI I have to reinitialize my selenium based representation of the task list).

Version-Release number of selected component (if applicable):
6.0.0.Beta5

How reproducible:
Always

Steps to Reproduce:

1. Go to Tasks > Tasks List
2. Create 3 or more new tasks using New Task
3. Try various actions (release / start / claim / release) on various actions and observer, how the task list gets shuffled

Actual results:
The task order is changed unpredictably in the list. When more than 10 tasks are added (i.e. task list is split into separate pages with groups of 10) the task that the action was performed on can even disappear to different page.

Expected results:
In Ideal case, when no sort order of task list is selected (by clicking on task list headers) the sort order of tasks should remain constant. For example after clicking on "release" the task list should change as little as possible (just change of field "status", and change of icon in "Actions" column.

Additional info: