Fix: Tooltips can rely on parent layer getBounds() too, so they work on ImageOverlays (#7306)
Fix: Tooltips can rely on parent layer getBounds() too, so they work on ImageOverlays (#7306)

Fixes #6780
CapeSepias/Leaflet,Leaflet/Leaflet,CapeSepias/Leaflet,CapeSepias/Leaflet,Leaflet/Leaflet,Leaflet/Leaflet