Blender Git Loki

Moved edge pan functions into a public UI header.

Edge panning operator customdata and supporting functions now in
UI_view2d.h, so they could be used by operators in other editor
libraries.

Merge branch 'blender-v2.93-release'

Fix T86809: Action Editor header not display the right action in certain scenarios

If a new action is created (e.g. by inserting keyframes), the header was
not garuanteed to display the right action.
Notifiers were fine here, redraw took place, the editors action was just
not set soon enough for the drawing.

Now make sure this is set correctly by ensuring the animation context is
right (same as the other editor regions do before drawing).

Maniphest Tasks: T86809

Differential Revision: https://developer.blender.org/D10796

Geometry Nodes: support geometry nodes modifier on volume objects

Differential Revision: https://developer.blender.org/D11011

Merge branch 'master' into temp-attribute-transfer-node

Cleanup: clang tidy readability-inconsistent-declaration-parameter-name

Merge branch 'master' into temp-explicit-colors

Cleanup: uiBut.flag had an internal flag out of the documented range

Increase range of internal flags & order UI_SEARCH_FILTER_NO_MATCH
within this range, so public button flags aren't accidentally added
that overlap with internal flags.

Cleanup: remove redundant code/comments from BKE_mesh_nomain_to_mesh

Merge branch 'blender-v2.93-release'

Fix T87055: Crash applying modifier on mesh with multires data

PyAPI: update docs to include poll_message_set reference

Part of D9738

PyAPI: support Operator.poll functions 'disabled' hint

Python scripts can now define the reason it's poll function fails using:

`Operator.poll_message_set(message, ...)`

This supports both regular text as well as delaying message creation
using a callback which should be used in situations where constructing
detailed messages is too much overhead for a poll function.

Ref D11001

Cleanup: add CTX_wm_operator_poll_msg_clear

Call this function instead of `CTX_wm_operator_poll_msg_set(C, NULL)`

Cleanup: Split spline implementations into separate files

Merge branch 'master' into geometry-nodes-curve-support

Remove commented code / always display "Only Selected" option

Sort RNA definition automatically

Don't mark unreachable code incorrectly

Give operators more specific names