Fix bug where the last sidebar subtopic would be cut off a bit.
Fix bug where the last sidebar subtopic would be cut off a bit.

ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage