BUG: wired behave of changset icon display in new table

reproduce step

  1. change tag from a to b - the change icon appear
    image

  2. change tag from b to a - the change icon disappear

  3. click the tag then click the bank area of the table(not change the value of tag) - the change icon appear which should not appear here

  4. click the tag and then click the bank area of the table again, the change icon disappear.

Animation