[1.7.x] Fixed #23091: CreateModel and AddField were clashing with deferred SQL
[1.7.x] Fixed #23153: Properly recreate spatialite triggers on alter table
[1.7.x] Fixed #23163: Align user help text with migrations
[1.7.x] Fixed #23161: Drop PostGIS geography fields correctly
1.7-specific fix to help text to stop extra migration
[1.7.x] Fixed #23169 - Misc docs fixes.

Backport of e4dd8b5dde from master
[1.7.x] Fixed #23061: Avoided setting a limit on a query for get with select_for_update on Oracle

Thanks Michael Miller for reporting the issue.

Backport of 746f2a4bed from master