Bug 359811

Using my usual workflow, I tuned my stack of filters, then saved them to a temp file. 
The I selected a bunch of clips, and applied my saved stack to all of them. 

When looking at the clips in the timeline they all turned black, just like when we had issues with the keyframe in the saved effects. 
I can only assume that when the effect stack is applied to a clip the beginning keyframe is calculated for each of the effects in the stack. 
However, when applying to a group of clips, this calculation does not appear to be done for each clip, and so the keyframes for the effects appear to be off the clip, which in turn then makes the clips go black, as the sliders for the effects are set to 0

Reproducible: Always

Steps to Reproduce:
1. Save stack of filters
2. Select a group of clips on the timeline
3. Right-click and apply stack to all the clips at once. 

Actual Results:  
All the clips with the newly applied filter stack goes black, as all the sliders in all the effects are set to 0. 

Expected Results:  
My stack applied to each clip as if I had applied the stack to each individually.