chore: Fix indentation OverlayView
chore: Fix indentation OverlayView

Consistently use 4 spaces instead of tabs.

- Closes #368

hunt978/qml-material,hunt978/qml-material,hunt978/qml-material,hunt978/qml-material,osechet/qml-material,benevo-qml/qml-material,benevo-qml/qml-material,benevo-qml/qml-material,osechet/qml-material,osechet/qml-material,papyros/qml-material,osechet/qml-material,papyros/qml-material,papyros/qml-material,benevo-qml/qml-material,papyros/qml-material