Text gets clipped with a dropdown icon when a long text is selected under Editor Controls properties ( eg. EnumPopup, EnumField, Mask Field dropdown)

Steps to reproduce:
1. Open attached Project
2. UIE Test Suite > Open FTP or Press F11
3. Click on Control > Open Window
4. Click on EnumPopup dropdown
5. Select a long text (eg. Six With A Very Onnnnnnnnnn)

Actual Result:
LongText gets clipped with dropdown

Expected Result:
The icon should not overlap with text filed

Note:
1. Project is updated on 2019.3.0a9, opening with older versions of 2019.3 breaks the project, throws UXML error.
2. Refer attached screenshots for actual and expected results.

Occurring in: 2019.3.0a11, 2019.3.0a9

Working fine in: 2019.2.0f1 (tested on 19.2 project branch)

Environment:
Windows 10 and macOS 10.14.