SceneView Highlight and Pickup original is part of Hierarchy Plus, don't buy if you own it.
Forum Thread
1️⃣ Highlight objects when hover in hierarchy and scene view
▶ 3D renderers
▶ 2D sprites
▶ UI elements (RectTransform)
2️⃣ Highlight selected 2D sprites (Unity does not highlight sprites)
3️⃣ Switch highlight object overlapped in scene view
4️⃣ Select overlapped object last highlighted
