Lara can't perform a buckjump right after she climbs a slope, if the slope is a broken tile.

[Christian-Croft]

Same as the title. She can perform it if the slope is flat. To illustrate:

(from left to right) For the first and second situation, she can't perform it. She can for the third one.

[Lwmte]

Removing ShiftItem call from SetLaraSlideAnimation function seems to fix that problem. But @Sezzary should clarify why this call was in that function in the first place.