Users can create multiple tracks for the same parameter in sequencer

Users can create multiple tracks for the same parameter in sequencer. In the case of changing a spotlight color the change in color results in a new track being created

1. Open the editor
2. Create a new actor blueprint
3. Add a spot light component to the actor
4. Save and compile
5. Create a new level sequence (cinematics > Add level sequence)
6. Add the actor with the spot light to the sequencer track
7. Select the spotlight component
8. At time 0.0 set a key for the light color for the spotlight
9. At time 100 key the same exact color for the spotlight
10. Change the color for the spotlight
11. Create another key at time 50
12. Notice that it creates a separate track for the color after it has been changed

Expected: The color would blend between keys on the same track
Result: The change in color results in a new track being created

[BUG] Sequencer create multiple track for the same parameter on components

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