Blender Git Loki

Merge branch 'master' into lanpr-under-gp

Particles: Create a simulation state for every Particle Simulation node

Every Particle Simulation node has a name (or a path when it is in a node group).
This name has to be used in the Simulation modifier on a point cloud to see
the particles.

Caching has been disabled for now, because it was holding back development
a bit. To reset the simulation, go back to frame 1.

Currently, there is no way to influence the simulation. There are just some
randomly moving points. Changing that is the next step.

Blenloader: make BLO_read_data_address work in C++

Property Search: Add search filter active tabs property

I also generalized the tab "adding" code in RNA to make it usable for filling
both the context enum and the active search filter tabs properties. The tab
layout code might need to be extended to add the idea of a custom
highlight property.

Fix T78745: Cycles error baking with multiple materials

Fix missing property

debug reports has been removed

Fix T78718: Crash when deleting particle system modifier with the X Shortcut.

Duplication and deletion code of modifiers was totally wrong for
particle system, that special weird thing needs its own custom
management.

Note that for now I chose not to duplicate the particle settings ID when
duplicating the modifier...

UV: path selection support

This adds support for path selection for vertex edge & face selection
modes, matching mesh editing behavior, useful with the UV rip tool.

Region select & edge tagging are currently not supported,
although they could be added eventually.

BMesh: add utility functions

- BM_edge_uv_share_vert_check
- BM_face_uv_calc_center_median_weighted
- BM_loop_at_index_find

Bumped version to Blender 2.83.3-beta

Updated version Blender 2.83 Release

Cleanup: move BMesh UV queries into their own file

Cleanup: clang-format

Outliner: Add type options for new collections

Add options to move or link objects into the new collection from the
context menu.

Outliner: Create new collection from selected objects

Outliner: New Collection Menu

Outliner: Activate collections with selection

Restore original behavior.

Outliner: Move collection colors from submenu

The goal is to draw them on a single line, perhaps a template is needed
here.

Cleanup: remove unnecessary calls to as_span

This uses the new implicit conversions and constructors
that have been committed in the previous commit.

I tested these changes on Linux with gcc and on Windows.

BLI: improve constructors and conversions to span

This allows us to avoid many calls to `as_span()` methods. I will
remove those in the next commit. Furthermore, constructors
of Vector and Array can convert from one type to another now.

I tested these changes on Linux with gcc and on Windows.