Change Details

This patch: * removes <Selectable/EditorOnly/> from `template_gaia.xml`, because it's disabled in all its five children * sets <Selectable/Overlay> in `template_gaia.xml` and removes it from its children, because currently they all define similar overlays separately * removes an unnecessary generic name

This patch: * removes <Selectable/EditorOnly/> from `template_gaia.xml`, because it's disabled in all its five children * sets <Selectable/Overlay> in `template_gaia.xml` and removes it from its children, because currently they all define similar overlays separately [EDIT]: standardize line thickness to 0.3 instead of 0.4 or 0.2

This patch: * removes <Selectable/EditorOnly/> from `template_gaia.xml`, because it's disabled in all its five children * sets <Selectable/Overlay> in `template_gaia.xml` and removes it from its children, because currently they all define similar overlays separately * removes an unnecessary generic name [EDIT]: standardize line thickness to 0.3 instead of 0.4 or 0.2