Issue Summary

Tasks: Task effort hours works inconsistently

Steps to Reproduce

1. Login.
2. Go to Stories.
3. Open any Story.  
4. Add Task with 0.25 Effort hours. 
5. Open edit panel for just added Task. 
6. Change Effort hours to 0.35. 
7. Change Effort hours to 0.3

Expected Results

Field functions in the same way on task add from Story and task edit

After Step 6: User is allowed to do this. 

After Step 7: Effort Hours box displays '0.300000011920929'

Actual Results

After Step 6: 'Please enter a valid value' error appear

After Step 7: Value user has entered appears

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available