How to reproduce:
1. Download, extract and open attached project (1109673repro.zip)
2. Open 'SampleScene' and select 'GameObject' in the Hierarchy
3. Scroll down the array elements until Transform window is not visible.
4. select any array element using mouse click

Expected results: The array element corresponding to the mouse click is selected
Actual results: array element corresponding to mouse click is not highlighted but a random element located at certain offset from actual selected element is highlighted.

Note : This bug was noticed while working on case 1109673, which was detected in 2018.3 version. The current bug did not exist when case 1109673 first appeared.
We can use the same project attached to issue 1109673 to reproduce this issue.

Reproducible with: 2019.1.0a11, 2019.1.0a12, 2019.1.0a14...
Not reproducible with: 2019.1.0a1,...., 2019.1.0a10