LPS-52367 Creates new MVCPortlet class for Asset Tags Admin
LPS-52367 removes ActionUtil, is no needed
LPS-52367 removes struts path
LPS-52367 copy code from EditTagAction, no logic changes
LPS-52367 Creates URL to the MVCPortlet
LPS-52367 Makes the method public, no logic changes
LPS-52367 Makes it works as MVCPortlet
LPS-52367 SF