Openstack-foreman-installer: after override host group parameter the remove parameter button is invisible. 


Steps: 
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1) Go to --> More --> Configuration --> Host Groups
2) Select host group -->  go to Parameter Tab --> Override parameter value.
3) Attempt to Remove the Override value. 

Results:
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The 'remove parameter' button is invisible 

Note:
The button is located right side of the 'override value line' and it's function well.