Description of problem:
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The UI blows up with this error while assigning tags to Containers.
Action not implemented [container/x_button] 


Version-Release number of selected component (if applicable):
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5.5.0.12


How reproducible:
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Always


Steps to Reproduce:
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1.Navigate to the Containers list page.
2.Check the check box for any container 
3.Click Policy; Click Edit Tags.


Actual results:
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Unable to assign tags to containers


Expected results:
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It should be possible to assign tags to containers


Additional info:
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