deleting tags automatic mode

[MiniPlayer]

USER STORY

When i am browsing a datasource in automatic mode. tag already registred in historian are not set as historian tags. So we can not delete them without saving them again.

REPRODUCTION

create a datasource in automatic mode. Browse ndoes, register a tag.
Refresh page, the tag is not set as an historian tag.

ACCEPTANCE CRITERIA

DEFINITION OF DONE

• Code builds without warnings (technical task)
• Code unit tested (technical task)
• Code is reviewed by a peer colleague
• Documentation updated (user story)
• Build pushed to demo server (user story)