This might be a bug, but its related to the API. So not sure where to post this message.
I use reavealLeaf to pop reveal the sidebar pane for my plugin. When doing so though, the other sidebar bounces, or pops out slightly and goes back to its current state. Here is the code that causes the issue:
app.workspace.revealLeaf(this.app.workspace.getLeavesOfType('outline')[0])
Here is a video showing the issue:
