The dropdown box displays all the items previously added to that column.

I want the user to be able to enter a new value OR just pick a previous value from the dropdown list. (This is when inserting a new row)

Problem:

Whenever I enter a value, it jumps around in my table like its on acid or something.
Whenever I select a value from the list, it takes me to the line in which the value was originally entered.

How do I get it to do what I want.

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