Regression - does not occur in 4.13.2 or 4.14.3

Does occur in Dev-Sequencer

Steps to Reproduce
  1. Create a Level Sequence with an Event Track
  2. Add a key at frame 0
  3. Right click that key and set the Event Name to TestEvent
  4. Alt-Drag the key to frame 50, this will duplicate it
  5. Save the Level Sequence and drag an instance of it into your level
  6. Select the instance in level and set Auto Play to true
  7. Open up the Level Blueprint
  8. Right click inside the BP graph and search for Custom Event, then click it to create one
  9. Rename the custom event to TestEvent
  10. Drag off the exec pin and create a Print String node
  11. Set the In String to TestEvent Fired
  12. Compile the level BP
  13. PIE

Result: Observe that TestEvent is fired three times - twice on frame 0 and once on frame 50

Expected: TestEvent to only fire once

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ComponentUE - Anim - Sequencer
Affects Versions4.15
Target Fix4.15
Fix Commit3271197
Main Commit3389599
Release Commit3271197
CreatedJan 17, 2017
ResolvedJan 25, 2017
UpdatedApr 27, 2018
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