A long list of shape data does not stay in position filling in a dropdown

[Visisthebest]

I am running in to a pretty important usability issue with the shape data editor (for the end user).

The list of data items for this application is a lot longer than the shape editor window, if the user fills in a dropdown later in the list it always shifts position to put the item filled in to the end of the visible list items.

This is very awkward however for users that have to fill in lots of values quickly, it makes filling in a long list very user-unfriendly.

Are there ways to avoid this, or to otherwise help users fill in lots of data (a lot of dropdowns in this case) with the shape data editor?