Checkboxes in the inspector don't toggle on pressing the keyboard shortcut (Space).

Steps to Reproduce:
1. Create a new project
2. Select any gameobject from Hierarchy (Main Camera)
3. Select or navigate using Tab key to any togglable property
4. Press Space key.

Actual Result.
The togglable property remains unchanged even on pressing the Space key

Expected Result.
Togglable property is unchanged on pressing the Space key.

Note
1. Hierarchy > 2D Object > Sprite Mask > Custom Range > Press Space
Properties under Custom Range disappears immediately

2. Hierarchy > Main Camera > Physical Camera > Press Space
Field view of camera changes in the Scene view However toggle remains unchecked even on pressing Space

3. Checkboxes toggle on Mose clicks.

Reproducible on:
2019.2.0a8, 2019.1.0b7, 2019.1.0a5

Works on:
2019.1.0a4, 2018.3.0f2

Environment:
Windows and MacOS