Bugfixes "Pseudo terrain appearing in fields when using mods is fixed (won't affect existing fields)"
Purpose of change
Fixes #70400
Fixes #72062
Describe the solution
Adds t_region_shrub_plains to all region_settings
Describe alternatives you've considered
I have an in-progress more permanent solution in #73602 where I make them all overlays but that seems dumb to backport and might take a lil while bc I'm busy doing 0.H stuff
Summary
Bugfixes "Pseudo terrain appearing in fields when using mods is fixed (won't affect existing fields)"
Purpose of change
Fixes #70400 Fixes #72062
Describe the solution
Adds t_region_shrub_plains to all region_settings
Describe alternatives you've considered
I have an in-progress more permanent solution in #73602 where I make them all overlays but that seems dumb to backport and might take a lil while bc I'm busy doing 0.H stuff
Testing
Additional context