This patch increases the performance when remapping data.
{D13615} introduced a mechanism to remap multiple items in a single go.
This patch uses the same mechanism when remapping data inside ID datablocks.
Benchmark results when loading the village scene of sprite fright on AMD Ryzen 7 3800X 8-Core Processor
Before this patch 115 seconds
When patch applied less than 43 seconds
There is still some room for improvement by porting relink code.
Reviewed By: mont29
Maniphest Tasks: T95279
Differential Revision: https://developer.blender.org/D14043
a71a513def