Blender Git Loki

Eevee: Fix refraction & alpha blend object disapearing

Eevee: Remove unecessary planar_minmaxz

Eevee: Do not allocate minz buffer.

It's not needed for now.

Fix collection groups crash after saving and loading file

If you save again and re-open they are still gone though :/

Prevent crash on groups with no collections

Cleanup

Support deleting group collection individual collections

Show a different Outliner Tools menu option depending on collection type

Fix adding new collections to group collections

Silence warning

Unittesting (failing) for read/write

Preserve the original overrides from collection to group

Fix crash for layer collection properties evaluation

Fix pre-evaluation step

We now re-set bases with the scene properties as reference for both group
and scene objects.

RNA: fixup for allow for enable/disable group collections

Update unittests

Outliner: Support drag & drop of GROUP_INTERNAL collections

Outliner: Support enable/disable group collections and fix select icon

You can select only non-group collections.

RNA: allow for enable/disable of group collections

Remove assert from BKE_layer_collection_get_active_ensure

If all collections are group collections, we still need to create a
ew collection to accomodate new objects.