Reproduction steps:
1. Open the attached project "987068.zip";
2. Open the Test scene;
3. Click the Pause Button;
4. Click the Play Button;
5. Click the Next Button again and again.
6. In the Game view, you can see the two effect with the same start delay, 0.04s.

Expected results: both of them should act the same and start with the same delay;
Actual results: the one which is attached to the timeline, has different start delay.

Note: in the console, you can see 3 times, current, timeline object and object without no timeline. The output shows when does the effect start.

Reproducible on: 2017.1.2p4, 2017.2.1p1, 2017.3.0p2, 2018.1.0b2, 2018.2.0a1.
Fixed on: 2018.2.0b1.