fix issue that if located variable was dropped in location column, then address was changed in wrong row (row - 1).

It's not neccessary to carry about label size. YToRow() does the work.

{
    "url":"ws://127.0.0.1:8888",
    "realm":"Automation",
    "ID":"wamptest",
    "password":"1234567890",
    "key":"ABCDEFGHIJ"
}