Repro steps:
1. Open a shadergraph
2. Create a vector 1 node
3. Drag the edge out from the vector 1 node onto the graph
4. When the searcher pops up, type in "prev"
Expected result: "Preview" is an easily accessible result
Actual result: the results are drowned out by a bunch of nodes with (Preview) in the title, and you have to scroll all the way to the bottom to get to the one you want

Note: the same thing happens with "Color" "Lerp" and other terms; simply typing these and pressing enter would create the correct node, but this is no longer the case after 7.x.x/19.4. This is a major workflow regression and should be fixed in all currently supported versions after 7.x.x if possible.